Home / 477,559.42-658,972.17-322,847.39

Finding the Fourth Proportional to 477,559.42, 658,972.17 and 322,847.39

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Solution

The fourth proportional to 477,559.42, 658,972.17 and 322,847.39 is: 445,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,559.42 : 658,972.17 = 322,847.39 : x
  2. Step 2: Convert to fraction form
    477,559.42/658,972.17 = 322,847.39/x
  3. Step 3: Cross multiply
    477,559.42x = 658,972.17 × 322,847.39
  4. Step 4: Simplify right side
    477,559.42x = 212,747,446,814.57
  5. Step 5: Solve for x
    x = 212,747,446,814.57/477,559.42
  6. Step 6: Final answer
    x = 445,488.96

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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.