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Finding the Fourth Proportional to 881,090, 1,321,630.68 and 250,004.96

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Solution

The fourth proportional to 881,090, 1,321,630.68 and 250,004.96 is: 375,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,090 : 1,321,630.68 = 250,004.96 : x
  2. Step 2: Convert to fraction form
    881,090/1,321,630.68 = 250,004.96/x
  3. Step 3: Cross multiply
    881,090x = 1,321,630.68 × 250,004.96
  4. Step 4: Simplify right side
    881,090x = 330,414,225,288.17
  5. Step 5: Solve for x
    x = 330,414,225,288.17/881,090
  6. Step 6: Final answer
    x = 375,006.21

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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.