Home / 888,034.26-1,331,720.70-319,260.16

Finding the Fourth Proportional to 888,034.26, 1,331,720.70 and 319,260.16

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Solution

The fourth proportional to 888,034.26, 1,331,720.70 and 319,260.16 is: 478,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,034.26 : 1,331,720.70 = 319,260.16 : x
  2. Step 2: Convert to fraction form
    888,034.26/1,331,720.70 = 319,260.16/x
  3. Step 3: Cross multiply
    888,034.26x = 1,331,720.70 × 319,260.16
  4. Step 4: Simplify right side
    888,034.26x = 425,165,357,098.71
  5. Step 5: Solve for x
    x = 425,165,357,098.71/888,034.26
  6. Step 6: Final answer
    x = 478,771.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.