Home / 858,358.78-1,287,587.39-227,256.19

Finding the Fourth Proportional to 858,358.78, 1,287,587.39 and 227,256.19

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Solution

The fourth proportional to 858,358.78, 1,287,587.39 and 227,256.19 is: 340,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,358.78 : 1,287,587.39 = 227,256.19 : x
  2. Step 2: Convert to fraction form
    858,358.78/1,287,587.39 = 227,256.19/x
  3. Step 3: Cross multiply
    858,358.78x = 1,287,587.39 × 227,256.19
  4. Step 4: Simplify right side
    858,358.78x = 292,612,200,188.20
  5. Step 5: Solve for x
    x = 292,612,200,188.20/858,358.78
  6. Step 6: Final answer
    x = 340,897.31

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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.