Home / 766,475.87-1,057,737.75-417,614.54

Finding the Fourth Proportional to 766,475.87, 1,057,737.75 and 417,614.54

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Solution

The fourth proportional to 766,475.87, 1,057,737.75 and 417,614.54 is: 576,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,475.87 : 1,057,737.75 = 417,614.54 : x
  2. Step 2: Convert to fraction form
    766,475.87/1,057,737.75 = 417,614.54/x
  3. Step 3: Cross multiply
    766,475.87x = 1,057,737.75 × 417,614.54
  4. Step 4: Simplify right side
    766,475.87x = 441,726,663,906.89
  5. Step 5: Solve for x
    x = 441,726,663,906.89/766,475.87
  6. Step 6: Final answer
    x = 576,308.64

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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.