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Finding the Fourth Proportional to 527,253.04, 727,668.12 and 300,936.88

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Solution

The fourth proportional to 527,253.04, 727,668.12 and 300,936.88 is: 415,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,253.04 : 727,668.12 = 300,936.88 : x
  2. Step 2: Convert to fraction form
    527,253.04/727,668.12 = 300,936.88/x
  3. Step 3: Cross multiply
    527,253.04x = 727,668.12 × 300,936.88
  4. Step 4: Simplify right side
    527,253.04x = 218,982,173,708.27
  5. Step 5: Solve for x
    x = 218,982,173,708.27/527,253.04
  6. Step 6: Final answer
    x = 415,326.53

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1.5x scale

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.