Home / 744,309.28-1,027,438.68-527,650.30

Finding the Fourth Proportional to 744,309.28, 1,027,438.68 and 527,650.30

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Solution

The fourth proportional to 744,309.28, 1,027,438.68 and 527,650.30 is: 728,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,309.28 : 1,027,438.68 = 527,650.30 : x
  2. Step 2: Convert to fraction form
    744,309.28/1,027,438.68 = 527,650.30/x
  3. Step 3: Cross multiply
    744,309.28x = 1,027,438.68 × 527,650.30
  4. Step 4: Simplify right side
    744,309.28x = 542,128,327,733.60
  5. Step 5: Solve for x
    x = 542,128,327,733.60/744,309.28
  6. Step 6: Final answer
    x = 728,364.33

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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.