Home / 814,184.62-1,221,280.05-340,537.72

Finding the Fourth Proportional to 814,184.62, 1,221,280.05 and 340,537.72

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Solution

The fourth proportional to 814,184.62, 1,221,280.05 and 340,537.72 is: 510,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,184.62 : 1,221,280.05 = 340,537.72 : x
  2. Step 2: Convert to fraction form
    814,184.62/1,221,280.05 = 340,537.72/x
  3. Step 3: Cross multiply
    814,184.62x = 1,221,280.05 × 340,537.72
  4. Step 4: Simplify right side
    814,184.62x = 415,891,923,708.49
  5. Step 5: Solve for x
    x = 415,891,923,708.49/814,184.62
  6. Step 6: Final answer
    x = 510,807.88

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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.