Home / 755,044.55-1,041,960.87-415,512.80

Finding the Fourth Proportional to 755,044.55, 1,041,960.87 and 415,512.80

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Solution

The fourth proportional to 755,044.55, 1,041,960.87 and 415,512.80 is: 573,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,044.55 : 1,041,960.87 = 415,512.80 : x
  2. Step 2: Convert to fraction form
    755,044.55/1,041,960.87 = 415,512.80/x
  3. Step 3: Cross multiply
    755,044.55x = 1,041,960.87 × 415,512.80
  4. Step 4: Simplify right side
    755,044.55x = 432,948,078,584.14
  5. Step 5: Solve for x
    x = 432,948,078,584.14/755,044.55
  6. Step 6: Final answer
    x = 573,407.33

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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.