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Finding the Fourth Proportional to 662,759.80, 914,618.94 and 360,953.56

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Solution

The fourth proportional to 662,759.80, 914,618.94 and 360,953.56 is: 498,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,759.80 : 914,618.94 = 360,953.56 : x
  2. Step 2: Convert to fraction form
    662,759.80/914,618.94 = 360,953.56/x
  3. Step 3: Cross multiply
    662,759.80x = 914,618.94 × 360,953.56
  4. Step 4: Simplify right side
    662,759.80x = 330,134,962,436.43
  5. Step 5: Solve for x
    x = 330,134,962,436.43/662,759.80
  6. Step 6: Final answer
    x = 498,121.59

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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.