Home / 478,045.20-659,677.33-263,143.29

Finding the Fourth Proportional to 478,045.20, 659,677.33 and 263,143.29

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Solution

The fourth proportional to 478,045.20, 659,677.33 and 263,143.29 is: 363,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,045.20 : 659,677.33 = 263,143.29 : x
  2. Step 2: Convert to fraction form
    478,045.20/659,677.33 = 263,143.29/x
  3. Step 3: Cross multiply
    478,045.20x = 659,677.33 × 263,143.29
  4. Step 4: Simplify right side
    478,045.20x = 173,589,662,954.62
  5. Step 5: Solve for x
    x = 173,589,662,954.62/478,045.20
  6. Step 6: Final answer
    x = 363,123.95

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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.