Home / 527,476.54-791,339.28-172,489.18

Finding the Fourth Proportional to 527,476.54, 791,339.28 and 172,489.18

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Solution

The fourth proportional to 527,476.54, 791,339.28 and 172,489.18 is: 258,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,476.54 : 791,339.28 = 172,489.18 : x
  2. Step 2: Convert to fraction form
    527,476.54/791,339.28 = 172,489.18/x
  3. Step 3: Cross multiply
    527,476.54x = 791,339.28 × 172,489.18
  4. Step 4: Simplify right side
    527,476.54x = 136,497,463,508.99
  5. Step 5: Solve for x
    x = 136,497,463,508.99/527,476.54
  6. Step 6: Final answer
    x = 258,774.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.