Home / 832,147.10-1,148,360.46-450,173.78

Finding the Fourth Proportional to 832,147.10, 1,148,360.46 and 450,173.78

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Solution

The fourth proportional to 832,147.10, 1,148,360.46 and 450,173.78 is: 621,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,147.10 : 1,148,360.46 = 450,173.78 : x
  2. Step 2: Convert to fraction form
    832,147.10/1,148,360.46 = 450,173.78/x
  3. Step 3: Cross multiply
    832,147.10x = 1,148,360.46 × 450,173.78
  4. Step 4: Simplify right side
    832,147.10x = 516,961,769,080.74
  5. Step 5: Solve for x
    x = 516,961,769,080.74/832,147.10
  6. Step 6: Final answer
    x = 621,238.44

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Double scale
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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.