Home / 828,127.48-1,242,191.52-259,552.70

Finding the Fourth Proportional to 828,127.48, 1,242,191.52 and 259,552.70

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Solution

The fourth proportional to 828,127.48, 1,242,191.52 and 259,552.70 is: 389,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,127.48 : 1,242,191.52 = 259,552.70 : x
  2. Step 2: Convert to fraction form
    828,127.48/1,242,191.52 = 259,552.70/x
  3. Step 3: Cross multiply
    828,127.48x = 1,242,191.52 × 259,552.70
  4. Step 4: Simplify right side
    828,127.48x = 322,414,162,933.10
  5. Step 5: Solve for x
    x = 322,414,162,933.10/828,127.48
  6. Step 6: Final answer
    x = 389,329.14

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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.