Home / 828,712.20-1,243,068.30-468,513.30

Finding the Fourth Proportional to 828,712.20, 1,243,068.30 and 468,513.30

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Solution

The fourth proportional to 828,712.20, 1,243,068.30 and 468,513.30 is: 702,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,712.20 : 1,243,068.30 = 468,513.30 : x
  2. Step 2: Convert to fraction form
    828,712.20/1,243,068.30 = 468,513.30/x
  3. Step 3: Cross multiply
    828,712.20x = 1,243,068.30 × 468,513.30
  4. Step 4: Simplify right side
    828,712.20x = 582,394,031,358.39
  5. Step 5: Solve for x
    x = 582,394,031,358.39/828,712.20
  6. Step 6: Final answer
    x = 702,769.95

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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.