Home / 477,207.69-658,327.17-422,814.95

Finding the Fourth Proportional to 477,207.69, 658,327.17 and 422,814.95

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Solution

The fourth proportional to 477,207.69, 658,327.17 and 422,814.95 is: 583,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,207.69 : 658,327.17 = 422,814.95 : x
  2. Step 2: Convert to fraction form
    477,207.69/658,327.17 = 422,814.95/x
  3. Step 3: Cross multiply
    477,207.69x = 658,327.17 × 422,814.95
  4. Step 4: Simplify right side
    477,207.69x = 278,350,568,644.28
  5. Step 5: Solve for x
    x = 278,350,568,644.28/477,207.69
  6. Step 6: Final answer
    x = 583,290.20

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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.