Home / 792,680.16-1,189,144.23-260,080.08

Finding the Fourth Proportional to 792,680.16, 1,189,144.23 and 260,080.08

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Solution

The fourth proportional to 792,680.16, 1,189,144.23 and 260,080.08 is: 390,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,680.16 : 1,189,144.23 = 260,080.08 : x
  2. Step 2: Convert to fraction form
    792,680.16/1,189,144.23 = 260,080.08/x
  3. Step 3: Cross multiply
    792,680.16x = 1,189,144.23 × 260,080.08
  4. Step 4: Simplify right side
    792,680.16x = 309,272,726,469.94
  5. Step 5: Solve for x
    x = 309,272,726,469.94/792,680.16
  6. Step 6: Final answer
    x = 390,160.80

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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.