Home / 838,077.25-1,156,344.91-493,926.88

Finding the Fourth Proportional to 838,077.25, 1,156,344.91 and 493,926.88

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Solution

The fourth proportional to 838,077.25, 1,156,344.91 and 493,926.88 is: 681,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,077.25 : 1,156,344.91 = 493,926.88 : x
  2. Step 2: Convert to fraction form
    838,077.25/1,156,344.91 = 493,926.88/x
  3. Step 3: Cross multiply
    838,077.25x = 1,156,344.91 × 493,926.88
  4. Step 4: Simplify right side
    838,077.25x = 571,149,833,600.18
  5. Step 5: Solve for x
    x = 571,149,833,600.18/838,077.25
  6. Step 6: Final answer
    x = 681,500.22

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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.