Home / 524,921.16-724,391.38-307,171.70

Finding the Fourth Proportional to 524,921.16, 724,391.38 and 307,171.70

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Solution

The fourth proportional to 524,921.16, 724,391.38 and 307,171.70 is: 423,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,921.16 : 724,391.38 = 307,171.70 : x
  2. Step 2: Convert to fraction form
    524,921.16/724,391.38 = 307,171.70/x
  3. Step 3: Cross multiply
    524,921.16x = 724,391.38 × 307,171.70
  4. Step 4: Simplify right side
    524,921.16x = 222,512,530,562.47
  5. Step 5: Solve for x
    x = 222,512,530,562.47/524,921.16
  6. Step 6: Final answer
    x = 423,897.05

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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.