Home / 832,132.35-1,148,338.76-450,155.79

Finding the Fourth Proportional to 832,132.35, 1,148,338.76 and 450,155.79

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Solution

The fourth proportional to 832,132.35, 1,148,338.76 and 450,155.79 is: 621,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,132.35 : 1,148,338.76 = 450,155.79 : x
  2. Step 2: Convert to fraction form
    832,132.35/1,148,338.76 = 450,155.79/x
  3. Step 3: Cross multiply
    832,132.35x = 1,148,338.76 × 450,155.79
  4. Step 4: Simplify right side
    832,132.35x = 516,931,339,444.64
  5. Step 5: Solve for x
    x = 516,931,339,444.64/832,132.35
  6. Step 6: Final answer
    x = 621,212.89

Related Problems

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Half scale
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Double scale
Find fourth proportional to 832,133.35, 1,148,340.13 and 450,156.79
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.