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Finding the Fourth Proportional to 658,104.64, 908,184.72 and 356,298.88

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Solution

The fourth proportional to 658,104.64, 908,184.72 and 356,298.88 is: 491,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,104.64 : 908,184.72 = 356,298.88 : x
  2. Step 2: Convert to fraction form
    658,104.64/908,184.72 = 356,298.88/x
  3. Step 3: Cross multiply
    658,104.64x = 908,184.72 × 356,298.88
  4. Step 4: Simplify right side
    658,104.64x = 323,585,198,569.11
  5. Step 5: Solve for x
    x = 323,585,198,569.11/658,104.64
  6. Step 6: Final answer
    x = 491,692.63

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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.