Home / 755,132.50-1,042,083.12-415,593.46

Finding the Fourth Proportional to 755,132.50, 1,042,083.12 and 415,593.46

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Solution

The fourth proportional to 755,132.50, 1,042,083.12 and 415,593.46 is: 573,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,132.50 : 1,042,083.12 = 415,593.46 : x
  2. Step 2: Convert to fraction form
    755,132.50/1,042,083.12 = 415,593.46/x
  3. Step 3: Cross multiply
    755,132.50x = 1,042,083.12 × 415,593.46
  4. Step 4: Simplify right side
    755,132.50x = 433,082,929,448.40
  5. Step 5: Solve for x
    x = 433,082,929,448.40/755,132.50
  6. Step 6: Final answer
    x = 573,519.12

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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.