Home / 814,557.60-1,221,982.20-341,290.80

Finding the Fourth Proportional to 814,557.60, 1,221,982.20 and 341,290.80

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Solution

The fourth proportional to 814,557.60, 1,221,982.20 and 341,290.80 is: 511,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,557.60 : 1,221,982.20 = 341,290.80 : x
  2. Step 2: Convert to fraction form
    814,557.60/1,221,982.20 = 341,290.80/x
  3. Step 3: Cross multiply
    814,557.60x = 1,221,982.20 × 341,290.80
  4. Step 4: Simplify right side
    814,557.60x = 417,051,282,623.76
  5. Step 5: Solve for x
    x = 417,051,282,623.76/814,557.60
  6. Step 6: Final answer
    x = 511,997.29

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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.