Home / 815,598.67-1,222,724.41-359,865.43

Finding the Fourth Proportional to 815,598.67, 1,222,724.41 and 359,865.43

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Solution

The fourth proportional to 815,598.67, 1,222,724.41 and 359,865.43 is: 539,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,598.67 : 1,222,724.41 = 359,865.43 : x
  2. Step 2: Convert to fraction form
    815,598.67/1,222,724.41 = 359,865.43/x
  3. Step 3: Cross multiply
    815,598.67x = 1,222,724.41 × 359,865.43
  4. Step 4: Simplify right side
    815,598.67x = 440,016,250,521.74
  5. Step 5: Solve for x
    x = 440,016,250,521.74/815,598.67
  6. Step 6: Final answer
    x = 539,500.94

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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.