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Finding the Fourth Proportional to 880,903.10, 1,321,441.86 and 281,713.70

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Solution

The fourth proportional to 880,903.10, 1,321,441.86 and 281,713.70 is: 422,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,903.10 : 1,321,441.86 = 281,713.70 : x
  2. Step 2: Convert to fraction form
    880,903.10/1,321,441.86 = 281,713.70/x
  3. Step 3: Cross multiply
    880,903.10x = 1,321,441.86 × 281,713.70
  4. Step 4: Simplify right side
    880,903.10x = 372,268,275,715.48
  5. Step 5: Solve for x
    x = 372,268,275,715.48/880,903.10
  6. Step 6: Final answer
    x = 422,598.44

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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.