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Finding the Fourth Proportional to 527,952.54, 729,175.88 and 357,891.42

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Solution

The fourth proportional to 527,952.54, 729,175.88 and 357,891.42 is: 494,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,952.54 : 729,175.88 = 357,891.42 : x
  2. Step 2: Convert to fraction form
    527,952.54/729,175.88 = 357,891.42/x
  3. Step 3: Cross multiply
    527,952.54x = 729,175.88 × 357,891.42
  4. Step 4: Simplify right side
    527,952.54x = 260,965,787,477.07
  5. Step 5: Solve for x
    x = 260,965,787,477.07/527,952.54
  6. Step 6: Final answer
    x = 494,297.82

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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.