Home / 662,938.38-914,854.97-361,132.38

Finding the Fourth Proportional to 662,938.38, 914,854.97 and 361,132.38

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Solution

The fourth proportional to 662,938.38, 914,854.97 and 361,132.38 is: 498,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,938.38 : 914,854.97 = 361,132.38 : x
  2. Step 2: Convert to fraction form
    662,938.38/914,854.97 = 361,132.38/x
  3. Step 3: Cross multiply
    662,938.38x = 914,854.97 × 361,132.38
  4. Step 4: Simplify right side
    662,938.38x = 330,383,752,670.93
  5. Step 5: Solve for x
    x = 330,383,752,670.93/662,938.38
  6. Step 6: Final answer
    x = 498,362.69

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1.5x scale

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.