Home / 781,848.40-1,172,884.38-249,375.46

Finding the Fourth Proportional to 781,848.40, 1,172,884.38 and 249,375.46

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Solution

The fourth proportional to 781,848.40, 1,172,884.38 and 249,375.46 is: 374,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,848.40 : 1,172,884.38 = 249,375.46 : x
  2. Step 2: Convert to fraction form
    781,848.40/1,172,884.38 = 249,375.46/x
  3. Step 3: Cross multiply
    781,848.40x = 1,172,884.38 × 249,375.46
  4. Step 4: Simplify right side
    781,848.40x = 292,488,581,789.32
  5. Step 5: Solve for x
    x = 292,488,581,789.32/781,848.40
  6. Step 6: Final answer
    x = 374,098.84

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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.