Home / 828,829.60-1,243,244.40-822,924.70

Finding the Fourth Proportional to 828,829.60, 1,243,244.40 and 822,924.70

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Solution

The fourth proportional to 828,829.60, 1,243,244.40 and 822,924.70 is: 1,234,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,829.60 : 1,243,244.40 = 822,924.70 : x
  2. Step 2: Convert to fraction form
    828,829.60/1,243,244.40 = 822,924.70/x
  3. Step 3: Cross multiply
    828,829.60x = 1,243,244.40 × 822,924.70
  4. Step 4: Simplify right side
    828,829.60x = 1,023,096,524,896.68
  5. Step 5: Solve for x
    x = 1,023,096,524,896.68/828,829.60
  6. Step 6: Final answer
    x = 1,234,387.05

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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.