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Finding the Fourth Proportional to 527,655.54, 728,330 and 336,668.61

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Solution

The fourth proportional to 527,655.54, 728,330 and 336,668.61 is: 464,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,655.54 : 728,330 = 336,668.61 : x
  2. Step 2: Convert to fraction form
    527,655.54/728,330 = 336,668.61/x
  3. Step 3: Cross multiply
    527,655.54x = 728,330 × 336,668.61
  4. Step 4: Simplify right side
    527,655.54x = 245,205,848,721.30
  5. Step 5: Solve for x
    x = 245,205,848,721.30/527,655.54
  6. Step 6: Final answer
    x = 464,708.19

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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.