Home / 744,782.67-1,116,286.25-518,920.11

Finding the Fourth Proportional to 744,782.67, 1,116,286.25 and 518,920.11

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Solution

The fourth proportional to 744,782.67, 1,116,286.25 and 518,920.11 is: 777,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,782.67 : 1,116,286.25 = 518,920.11 : x
  2. Step 2: Convert to fraction form
    744,782.67/1,116,286.25 = 518,920.11/x
  3. Step 3: Cross multiply
    744,782.67x = 1,116,286.25 × 518,920.11
  4. Step 4: Simplify right side
    744,782.67x = 579,263,381,046.89
  5. Step 5: Solve for x
    x = 579,263,381,046.89/744,782.67
  6. Step 6: Final answer
    x = 777,761.63

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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.