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Finding the Fourth Proportional to 880,886.81, 1,321,527.11 and 281,883.93

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Solution

The fourth proportional to 880,886.81, 1,321,527.11 and 281,883.93 is: 422,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,886.81 : 1,321,527.11 = 281,883.93 : x
  2. Step 2: Convert to fraction form
    880,886.81/1,321,527.11 = 281,883.93/x
  3. Step 3: Cross multiply
    880,886.81x = 1,321,527.11 × 281,883.93
  4. Step 4: Simplify right side
    880,886.81x = 372,517,253,958.92
  5. Step 5: Solve for x
    x = 372,517,253,958.92/880,886.81
  6. Step 6: Final answer
    x = 422,888.90

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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.