Home / 828,711.70-1,243,067.55-468,512.80

Finding the Fourth Proportional to 828,711.70, 1,243,067.55 and 468,512.80

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Solution

The fourth proportional to 828,711.70, 1,243,067.55 and 468,512.80 is: 702,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,711.70 : 1,243,067.55 = 468,512.80 : x
  2. Step 2: Convert to fraction form
    828,711.70/1,243,067.55 = 468,512.80/x
  3. Step 3: Cross multiply
    828,711.70x = 1,243,067.55 × 468,512.80
  4. Step 4: Simplify right side
    828,711.70x = 582,393,058,439.64
  5. Step 5: Solve for x
    x = 582,393,058,439.64/828,711.70
  6. Step 6: Final answer
    x = 702,769.20

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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.