Home / 527,474.54-791,336.28-172,487.18

Finding the Fourth Proportional to 527,474.54, 791,336.28 and 172,487.18

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Solution

The fourth proportional to 527,474.54, 791,336.28 and 172,487.18 is: 258,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,474.54 : 791,336.28 = 172,487.18 : x
  2. Step 2: Convert to fraction form
    527,474.54/791,336.28 = 172,487.18/x
  3. Step 3: Cross multiply
    527,474.54x = 791,336.28 × 172,487.18
  4. Step 4: Simplify right side
    527,474.54x = 136,495,363,368.89
  5. Step 5: Solve for x
    x = 136,495,363,368.89/527,474.54
  6. Step 6: Final answer
    x = 258,771.47

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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.