Home / 711,803.34-1,067,798.97-262,839.78

Finding the Fourth Proportional to 711,803.34, 1,067,798.97 and 262,839.78

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Solution

The fourth proportional to 711,803.34, 1,067,798.97 and 262,839.78 is: 394,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,803.34 : 1,067,798.97 = 262,839.78 : x
  2. Step 2: Convert to fraction form
    711,803.34/1,067,798.97 = 262,839.78/x
  3. Step 3: Cross multiply
    711,803.34x = 1,067,798.97 × 262,839.78
  4. Step 4: Simplify right side
    711,803.34x = 280,660,046,359.03
  5. Step 5: Solve for x
    x = 280,660,046,359.03/711,803.34
  6. Step 6: Final answer
    x = 394,294.37

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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.