Home / 832,129.59-1,148,336.35-450,156.27

Finding the Fourth Proportional to 832,129.59, 1,148,336.35 and 450,156.27

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Solution

The fourth proportional to 832,129.59, 1,148,336.35 and 450,156.27 is: 621,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,129.59 : 1,148,336.35 = 450,156.27 : x
  2. Step 2: Convert to fraction form
    832,129.59/1,148,336.35 = 450,156.27/x
  3. Step 3: Cross multiply
    832,129.59x = 1,148,336.35 × 450,156.27
  4. Step 4: Simplify right side
    832,129.59x = 516,930,808,021.42
  5. Step 5: Solve for x
    x = 516,930,808,021.42/832,129.59
  6. Step 6: Final answer
    x = 621,214.31

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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.