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Finding the Fourth Proportional to 527,255.04, 727,670.88 and 300,938.88

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Solution

The fourth proportional to 527,255.04, 727,670.88 and 300,938.88 is: 415,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,255.04 : 727,670.88 = 300,938.88 : x
  2. Step 2: Convert to fraction form
    527,255.04/727,670.88 = 300,938.88/x
  3. Step 3: Cross multiply
    527,255.04x = 727,670.88 × 300,938.88
  4. Step 4: Simplify right side
    527,255.04x = 218,984,459,635.81
  5. Step 5: Solve for x
    x = 218,984,459,635.81/527,255.04
  6. Step 6: Final answer
    x = 415,329.29

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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.