Home / 814,701.12-1,221,760.08-282,079.20

Finding the Fourth Proportional to 814,701.12, 1,221,760.08 and 282,079.20

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Solution

The fourth proportional to 814,701.12, 1,221,760.08 and 282,079.20 is: 423,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,701.12 : 1,221,760.08 = 282,079.20 : x
  2. Step 2: Convert to fraction form
    814,701.12/1,221,760.08 = 282,079.20/x
  3. Step 3: Cross multiply
    814,701.12x = 1,221,760.08 × 282,079.20
  4. Step 4: Simplify right side
    814,701.12x = 344,633,105,958.34
  5. Step 5: Solve for x
    x = 344,633,105,958.34/814,701.12
  6. Step 6: Final answer
    x = 423,017.84

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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.