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Finding the Fourth Proportional to 478,872.12, 718,308.17 and 454,926.52

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Solution

The fourth proportional to 478,872.12, 718,308.17 and 454,926.52 is: 682,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,872.12 : 718,308.17 = 454,926.52 : x
  2. Step 2: Convert to fraction form
    478,872.12/718,308.17 = 454,926.52/x
  3. Step 3: Cross multiply
    478,872.12x = 718,308.17 × 454,926.52
  4. Step 4: Simplify right side
    478,872.12x = 326,777,430,199.50
  5. Step 5: Solve for x
    x = 326,777,430,199.50/478,872.12
  6. Step 6: Final answer
    x = 682,389.77

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Similar ratio
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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.