Home / 478,045.01-659,677.07-263,143.10

Finding the Fourth Proportional to 478,045.01, 659,677.07 and 263,143.10

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Solution

The fourth proportional to 478,045.01, 659,677.07 and 263,143.10 is: 363,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,045.01 : 659,677.07 = 263,143.10 : x
  2. Step 2: Convert to fraction form
    478,045.01/659,677.07 = 263,143.10/x
  3. Step 3: Cross multiply
    478,045.01x = 659,677.07 × 263,143.10
  4. Step 4: Simplify right side
    478,045.01x = 173,589,469,198.72
  5. Step 5: Solve for x
    x = 173,589,469,198.72/478,045.01
  6. Step 6: Final answer
    x = 363,123.69

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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.