Home / 814,253.36-1,220,789.54-547,351.88

Finding the Fourth Proportional to 814,253.36, 1,220,789.54 and 547,351.88

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Solution

The fourth proportional to 814,253.36, 1,220,789.54 and 547,351.88 is: 820,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,253.36 : 1,220,789.54 = 547,351.88 : x
  2. Step 2: Convert to fraction form
    814,253.36/1,220,789.54 = 547,351.88/x
  3. Step 3: Cross multiply
    814,253.36x = 1,220,789.54 × 547,351.88
  4. Step 4: Simplify right side
    814,253.36x = 668,201,449,803.34
  5. Step 5: Solve for x
    x = 668,201,449,803.34/814,253.36
  6. Step 6: Final answer
    x = 820,630.88

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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.