Home / 662,935.12-914,845.68-361,129.12

Finding the Fourth Proportional to 662,935.12, 914,845.68 and 361,129.12

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Solution

The fourth proportional to 662,935.12, 914,845.68 and 361,129.12 is: 498,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,935.12 : 914,845.68 = 361,129.12 : x
  2. Step 2: Convert to fraction form
    662,935.12/914,845.68 = 361,129.12/x
  3. Step 3: Cross multiply
    662,935.12x = 914,845.68 × 361,129.12
  4. Step 4: Simplify right side
    662,935.12x = 330,377,415,354.20
  5. Step 5: Solve for x
    x = 330,377,415,354.20/662,935.12
  6. Step 6: Final answer
    x = 498,355.58

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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.