Home / 915,899.35-1,264,092.39-508,132.55

Finding the Fourth Proportional to 915,899.35, 1,264,092.39 and 508,132.55

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Solution

The fourth proportional to 915,899.35, 1,264,092.39 and 508,132.55 is: 701,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,899.35 : 1,264,092.39 = 508,132.55 : x
  2. Step 2: Convert to fraction form
    915,899.35/1,264,092.39 = 508,132.55/x
  3. Step 3: Cross multiply
    915,899.35x = 1,264,092.39 × 508,132.55
  4. Step 4: Simplify right side
    915,899.35x = 642,326,496,212.14
  5. Step 5: Solve for x
    x = 642,326,496,212.14/915,899.35
  6. Step 6: Final answer
    x = 701,306.86

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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.