Home / 755,044.46-1,041,961.50-415,512.72

Finding the Fourth Proportional to 755,044.46, 1,041,961.50 and 415,512.72

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Solution

The fourth proportional to 755,044.46, 1,041,961.50 and 415,512.72 is: 573,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,044.46 : 1,041,961.50 = 415,512.72 : x
  2. Step 2: Convert to fraction form
    755,044.46/1,041,961.50 = 415,512.72/x
  3. Step 3: Cross multiply
    755,044.46x = 1,041,961.50 × 415,512.72
  4. Step 4: Simplify right side
    755,044.46x = 432,948,257,000.28
  5. Step 5: Solve for x
    x = 432,948,257,000.28/755,044.46
  6. Step 6: Final answer
    x = 573,407.63

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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.