Home / 757,753.92-1,045,695.24-418,222.20

Finding the Fourth Proportional to 757,753.92, 1,045,695.24 and 418,222.20

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Solution

The fourth proportional to 757,753.92, 1,045,695.24 and 418,222.20 is: 577,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,753.92 : 1,045,695.24 = 418,222.20 : x
  2. Step 2: Convert to fraction form
    757,753.92/1,045,695.24 = 418,222.20/x
  3. Step 3: Cross multiply
    757,753.92x = 1,045,695.24 × 418,222.20
  4. Step 4: Simplify right side
    757,753.92x = 437,332,963,802.33
  5. Step 5: Solve for x
    x = 437,332,963,802.33/757,753.92
  6. Step 6: Final answer
    x = 577,143.78

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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.