Home / 527,272.10-727,648.84-323,435.42

Finding the Fourth Proportional to 527,272.10, 727,648.84 and 323,435.42

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Solution

The fourth proportional to 527,272.10, 727,648.84 and 323,435.42 is: 446,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,272.10 : 727,648.84 = 323,435.42 : x
  2. Step 2: Convert to fraction form
    527,272.10/727,648.84 = 323,435.42/x
  3. Step 3: Cross multiply
    527,272.10x = 727,648.84 × 323,435.42
  4. Step 4: Simplify right side
    527,272.10x = 235,347,408,177.91
  5. Step 5: Solve for x
    x = 235,347,408,177.91/527,272.10
  6. Step 6: Final answer
    x = 446,349.06

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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.