Home / 487,608.27-731,557.31-234,815.69

Finding the Fourth Proportional to 487,608.27, 731,557.31 and 234,815.69

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Solution

The fourth proportional to 487,608.27, 731,557.31 and 234,815.69 is: 352,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,608.27 : 731,557.31 = 234,815.69 : x
  2. Step 2: Convert to fraction form
    487,608.27/731,557.31 = 234,815.69/x
  3. Step 3: Cross multiply
    487,608.27x = 731,557.31 × 234,815.69
  4. Step 4: Simplify right side
    487,608.27x = 171,781,129,690.33
  5. Step 5: Solve for x
    x = 171,781,129,690.33/487,608.27
  6. Step 6: Final answer
    x = 352,293.31

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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.