Home / 880,887.31-1,321,527.86-281,884.43

Finding the Fourth Proportional to 880,887.31, 1,321,527.86 and 281,884.43

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Solution

The fourth proportional to 880,887.31, 1,321,527.86 and 281,884.43 is: 422,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,887.31 : 1,321,527.86 = 281,884.43 : x
  2. Step 2: Convert to fraction form
    880,887.31/1,321,527.86 = 281,884.43/x
  3. Step 3: Cross multiply
    880,887.31x = 1,321,527.86 × 281,884.43
  4. Step 4: Simplify right side
    880,887.31x = 372,518,127,545.22
  5. Step 5: Solve for x
    x = 372,518,127,545.22/880,887.31
  6. Step 6: Final answer
    x = 422,889.65

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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.