Home / 880,432.20-1,320,475.16-281,231.87

Finding the Fourth Proportional to 880,432.20, 1,320,475.16 and 281,231.87

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Solution

The fourth proportional to 880,432.20, 1,320,475.16 and 281,231.87 is: 421,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,432.20 : 1,320,475.16 = 281,231.87 : x
  2. Step 2: Convert to fraction form
    880,432.20/1,320,475.16 = 281,231.87/x
  3. Step 3: Cross multiply
    880,432.20x = 1,320,475.16 × 281,231.87
  4. Step 4: Simplify right side
    880,432.20x = 371,359,692,636.05
  5. Step 5: Solve for x
    x = 371,359,692,636.05/880,432.20
  6. Step 6: Final answer
    x = 421,792.49

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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.