Home / 752,978.40-1,129,607.52-247,567.68

Finding the Fourth Proportional to 752,978.40, 1,129,607.52 and 247,567.68

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Solution

The fourth proportional to 752,978.40, 1,129,607.52 and 247,567.68 is: 371,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,978.40 : 1,129,607.52 = 247,567.68 : x
  2. Step 2: Convert to fraction form
    752,978.40/1,129,607.52 = 247,567.68/x
  3. Step 3: Cross multiply
    752,978.40x = 1,129,607.52 × 247,567.68
  4. Step 4: Simplify right side
    752,978.40x = 279,654,313,036.95
  5. Step 5: Solve for x
    x = 279,654,313,036.95/752,978.40
  6. Step 6: Final answer
    x = 371,397.52

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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.