Home / 740,997.11-1,022,562.70-418,700.27

Finding the Fourth Proportional to 740,997.11, 1,022,562.70 and 418,700.27

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Solution

The fourth proportional to 740,997.11, 1,022,562.70 and 418,700.27 is: 577,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,997.11 : 1,022,562.70 = 418,700.27 : x
  2. Step 2: Convert to fraction form
    740,997.11/1,022,562.70 = 418,700.27/x
  3. Step 3: Cross multiply
    740,997.11x = 1,022,562.70 × 418,700.27
  4. Step 4: Simplify right side
    740,997.11x = 428,147,280,091.59
  5. Step 5: Solve for x
    x = 428,147,280,091.59/740,997.11
  6. Step 6: Final answer
    x = 577,798.85

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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.