Home / 766,807.72-1,058,180.48-417,951.13

Finding the Fourth Proportional to 766,807.72, 1,058,180.48 and 417,951.13

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Solution

The fourth proportional to 766,807.72, 1,058,180.48 and 417,951.13 is: 576,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,807.72 : 1,058,180.48 = 417,951.13 : x
  2. Step 2: Convert to fraction form
    766,807.72/1,058,180.48 = 417,951.13/x
  3. Step 3: Cross multiply
    766,807.72x = 1,058,180.48 × 417,951.13
  4. Step 4: Simplify right side
    766,807.72x = 442,267,727,359.94
  5. Step 5: Solve for x
    x = 442,267,727,359.94/766,807.72
  6. Step 6: Final answer
    x = 576,764.83

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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.