Home / 881,487.81-1,321,456.23-349,382.34

Finding the Fourth Proportional to 881,487.81, 1,321,456.23 and 349,382.34

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Solution

The fourth proportional to 881,487.81, 1,321,456.23 and 349,382.34 is: 523,766.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,487.81 : 1,321,456.23 = 349,382.34 : x
  2. Step 2: Convert to fraction form
    881,487.81/1,321,456.23 = 349,382.34/x
  3. Step 3: Cross multiply
    881,487.81x = 1,321,456.23 × 349,382.34
  4. Step 4: Simplify right side
    881,487.81x = 461,693,469,844.98
  5. Step 5: Solve for x
    x = 461,693,469,844.98/881,487.81
  6. Step 6: Final answer
    x = 523,766.14

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1.5x scale

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.