Home / 814,937.40-1,222,406.10-531,502.20

Finding the Fourth Proportional to 814,937.40, 1,222,406.10 and 531,502.20

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Solution

The fourth proportional to 814,937.40, 1,222,406.10 and 531,502.20 is: 797,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,937.40 : 1,222,406.10 = 531,502.20 : x
  2. Step 2: Convert to fraction form
    814,937.40/1,222,406.10 = 531,502.20/x
  3. Step 3: Cross multiply
    814,937.40x = 1,222,406.10 × 531,502.20
  4. Step 4: Simplify right side
    814,937.40x = 649,711,531,443.42
  5. Step 5: Solve for x
    x = 649,711,531,443.42/814,937.40
  6. Step 6: Final answer
    x = 797,253.30

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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.