Home / 769,115.24-1,061,405.27-482,793.20

Finding the Fourth Proportional to 769,115.24, 1,061,405.27 and 482,793.20

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Solution

The fourth proportional to 769,115.24, 1,061,405.27 and 482,793.20 is: 666,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,115.24 : 1,061,405.27 = 482,793.20 : x
  2. Step 2: Convert to fraction form
    769,115.24/1,061,405.27 = 482,793.20/x
  3. Step 3: Cross multiply
    769,115.24x = 1,061,405.27 × 482,793.20
  4. Step 4: Simplify right side
    769,115.24x = 512,439,239,079.17
  5. Step 5: Solve for x
    x = 512,439,239,079.17/769,115.24
  6. Step 6: Final answer
    x = 666,271.08

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Double scale
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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.