Home / 814,990.68-1,222,324.29-410,074.92

Finding the Fourth Proportional to 814,990.68, 1,222,324.29 and 410,074.92

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Solution

The fourth proportional to 814,990.68, 1,222,324.29 and 410,074.92 is: 615,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,990.68 : 1,222,324.29 = 410,074.92 : x
  2. Step 2: Convert to fraction form
    814,990.68/1,222,324.29 = 410,074.92/x
  3. Step 3: Cross multiply
    814,990.68x = 1,222,324.29 × 410,074.92
  4. Step 4: Simplify right side
    814,990.68x = 501,244,535,435.81
  5. Step 5: Solve for x
    x = 501,244,535,435.81/814,990.68
  6. Step 6: Final answer
    x = 615,031.00

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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.