Home / 748,327.31-1,122,500.69-249,691.31

Finding the Fourth Proportional to 748,327.31, 1,122,500.69 and 249,691.31

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Solution

The fourth proportional to 748,327.31, 1,122,500.69 and 249,691.31 is: 374,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,327.31 : 1,122,500.69 = 249,691.31 : x
  2. Step 2: Convert to fraction form
    748,327.31/1,122,500.69 = 249,691.31/x
  3. Step 3: Cross multiply
    748,327.31x = 1,122,500.69 × 249,691.31
  4. Step 4: Simplify right side
    748,327.31x = 280,278,670,256.14
  5. Step 5: Solve for x
    x = 280,278,670,256.14/748,327.31
  6. Step 6: Final answer
    x = 374,540.21

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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.