Home / 527,153.49-727,579.13-357,442.29

Finding the Fourth Proportional to 527,153.49, 727,579.13 and 357,442.29

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Solution

The fourth proportional to 527,153.49, 727,579.13 and 357,442.29 is: 493,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,153.49 : 727,579.13 = 357,442.29 : x
  2. Step 2: Convert to fraction form
    527,153.49/727,579.13 = 357,442.29/x
  3. Step 3: Cross multiply
    527,153.49x = 727,579.13 × 357,442.29
  4. Step 4: Simplify right side
    527,153.49x = 260,067,548,596.20
  5. Step 5: Solve for x
    x = 260,067,548,596.20/527,153.49
  6. Step 6: Final answer
    x = 493,343.12

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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.