Home / 527,301.20-727,672.04-285,578.25

Finding the Fourth Proportional to 527,301.20, 727,672.04 and 285,578.25

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Solution

The fourth proportional to 527,301.20, 727,672.04 and 285,578.25 is: 394,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,301.20 : 727,672.04 = 285,578.25 : x
  2. Step 2: Convert to fraction form
    527,301.20/727,672.04 = 285,578.25/x
  3. Step 3: Cross multiply
    527,301.20x = 727,672.04 × 285,578.25
  4. Step 4: Simplify right side
    527,301.20x = 207,807,306,329.24
  5. Step 5: Solve for x
    x = 207,807,306,329.24/527,301.20
  6. Step 6: Final answer
    x = 394,096.03

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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.