Home / 765,660.33-1,148,490.50-204,680.25

Finding the Fourth Proportional to 765,660.33, 1,148,490.50 and 204,680.25

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Solution

The fourth proportional to 765,660.33, 1,148,490.50 and 204,680.25 is: 307,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,660.33 : 1,148,490.50 = 204,680.25 : x
  2. Step 2: Convert to fraction form
    765,660.33/1,148,490.50 = 204,680.25/x
  3. Step 3: Cross multiply
    765,660.33x = 1,148,490.50 × 204,680.25
  4. Step 4: Simplify right side
    765,660.33x = 235,073,321,639.22
  5. Step 5: Solve for x
    x = 235,073,321,639.22/765,660.33
  6. Step 6: Final answer
    x = 307,020.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.