Home / 744,619.92-1,116,042.12-518,757.36

Finding the Fourth Proportional to 744,619.92, 1,116,042.12 and 518,757.36

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Solution

The fourth proportional to 744,619.92, 1,116,042.12 and 518,757.36 is: 777,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,619.92 : 1,116,042.12 = 518,757.36 : x
  2. Step 2: Convert to fraction form
    744,619.92/1,116,042.12 = 518,757.36/x
  3. Step 3: Cross multiply
    744,619.92x = 1,116,042.12 × 518,757.36
  4. Step 4: Simplify right side
    744,619.92x = 578,955,063,820.00
  5. Step 5: Solve for x
    x = 578,955,063,820.00/744,619.92
  6. Step 6: Final answer
    x = 777,517.56

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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.