Home / 838,076.25-1,156,343.54-493,925.88

Finding the Fourth Proportional to 838,076.25, 1,156,343.54 and 493,925.88

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Solution

The fourth proportional to 838,076.25, 1,156,343.54 and 493,925.88 is: 681,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,076.25 : 1,156,343.54 = 493,925.88 : x
  2. Step 2: Convert to fraction form
    838,076.25/1,156,343.54 = 493,925.88/x
  3. Step 3: Cross multiply
    838,076.25x = 1,156,343.54 × 493,925.88
  4. Step 4: Simplify right side
    838,076.25x = 571,147,998,107.19
  5. Step 5: Solve for x
    x = 571,147,998,107.19/838,076.25
  6. Step 6: Final answer
    x = 681,498.85

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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.