Home / 938,398.38-1,294,153.62-731,718

Finding the Fourth Proportional to 938,398.38, 1,294,153.62 and 731,718

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Solution

The fourth proportional to 938,398.38, 1,294,153.62 and 731,718 is: 1,009,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,398.38 : 1,294,153.62 = 731,718 : x
  2. Step 2: Convert to fraction form
    938,398.38/1,294,153.62 = 731,718/x
  3. Step 3: Cross multiply
    938,398.38x = 1,294,153.62 × 731,718
  4. Step 4: Simplify right side
    938,398.38x = 946,955,498,519.16
  5. Step 5: Solve for x
    x = 946,955,498,519.16/938,398.38
  6. Step 6: Final answer
    x = 1,009,118.85

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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.