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Finding the Fourth Proportional to 479,502.80, 719,254.20 and 230,056.40

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Solution

The fourth proportional to 479,502.80, 719,254.20 and 230,056.40 is: 345,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,502.80 : 719,254.20 = 230,056.40 : x
  2. Step 2: Convert to fraction form
    479,502.80/719,254.20 = 230,056.40/x
  3. Step 3: Cross multiply
    479,502.80x = 719,254.20 × 230,056.40
  4. Step 4: Simplify right side
    479,502.80x = 165,469,031,936.88
  5. Step 5: Solve for x
    x = 165,469,031,936.88/479,502.80
  6. Step 6: Final answer
    x = 345,084.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.