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Finding the Fourth Proportional to 662,935.88, 914,851.52 and 361,129.88

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Solution

The fourth proportional to 662,935.88, 914,851.52 and 361,129.88 is: 498,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,935.88 : 914,851.52 = 361,129.88 : x
  2. Step 2: Convert to fraction form
    662,935.88/914,851.52 = 361,129.88/x
  3. Step 3: Cross multiply
    662,935.88x = 914,851.52 × 361,129.88
  4. Step 4: Simplify right side
    662,935.88x = 330,380,213,255.51
  5. Step 5: Solve for x
    x = 330,380,213,255.51/662,935.88
  6. Step 6: Final answer
    x = 498,359.23

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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.