Home / 1,098,277.96-1,647,463.02-388,311.88

Finding the Fourth Proportional to 1,098,277.96, 1,647,463.02 and 388,311.88

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Solution

The fourth proportional to 1,098,277.96, 1,647,463.02 and 388,311.88 is: 582,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,277.96 : 1,647,463.02 = 388,311.88 : x
  2. Step 2: Convert to fraction form
    1,098,277.96/1,647,463.02 = 388,311.88/x
  3. Step 3: Cross multiply
    1,098,277.96x = 1,647,463.02 × 388,311.88
  4. Step 4: Simplify right side
    1,098,277.96x = 639,729,462,526.68
  5. Step 5: Solve for x
    x = 639,729,462,526.68/1,098,277.96
  6. Step 6: Final answer
    x = 582,484.11

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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.