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Finding the Fourth Proportional to 662,765.80, 914,627.22 and 360,959.56

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Solution

The fourth proportional to 662,765.80, 914,627.22 and 360,959.56 is: 498,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,765.80 : 914,627.22 = 360,959.56 : x
  2. Step 2: Convert to fraction form
    662,765.80/914,627.22 = 360,959.56/x
  3. Step 3: Cross multiply
    662,765.80x = 914,627.22 × 360,959.56
  4. Step 4: Simplify right side
    662,765.80x = 330,143,438,895.22
  5. Step 5: Solve for x
    x = 330,143,438,895.22/662,765.80
  6. Step 6: Final answer
    x = 498,129.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.