Home / 739,832.43-1,020,997.68-417,553.68

Finding the Fourth Proportional to 739,832.43, 1,020,997.68 and 417,553.68

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Solution

The fourth proportional to 739,832.43, 1,020,997.68 and 417,553.68 is: 576,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,832.43 : 1,020,997.68 = 417,553.68 : x
  2. Step 2: Convert to fraction form
    739,832.43/1,020,997.68 = 417,553.68/x
  3. Step 3: Cross multiply
    739,832.43x = 1,020,997.68 × 417,553.68
  4. Step 4: Simplify right side
    739,832.43x = 426,321,338,555.46
  5. Step 5: Solve for x
    x = 426,321,338,555.46/739,832.43
  6. Step 6: Final answer
    x = 576,240.40

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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.