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Finding the Fourth Proportional to 658,191.44, 908,304.84 and 356,384.72

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Solution

The fourth proportional to 658,191.44, 908,304.84 and 356,384.72 is: 491,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,191.44 : 908,304.84 = 356,384.72 : x
  2. Step 2: Convert to fraction form
    658,191.44/908,304.84 = 356,384.72/x
  3. Step 3: Cross multiply
    658,191.44x = 908,304.84 × 356,384.72
  4. Step 4: Simplify right side
    658,191.44x = 323,705,966,078.05
  5. Step 5: Solve for x
    x = 323,705,966,078.05/658,191.44
  6. Step 6: Final answer
    x = 491,811.27

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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.