Home / 828,718.46-1,243,077.68-548,170.10

Finding the Fourth Proportional to 828,718.46, 1,243,077.68 and 548,170.10

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Solution

The fourth proportional to 828,718.46, 1,243,077.68 and 548,170.10 is: 822,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,718.46 : 1,243,077.68 = 548,170.10 : x
  2. Step 2: Convert to fraction form
    828,718.46/1,243,077.68 = 548,170.10/x
  3. Step 3: Cross multiply
    828,718.46x = 1,243,077.68 × 548,170.10
  4. Step 4: Simplify right side
    828,718.46x = 681,418,016,153.37
  5. Step 5: Solve for x
    x = 681,418,016,153.37/828,718.46
  6. Step 6: Final answer
    x = 822,255.14

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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.