Home / 880,861.90-1,321,275.06-281,823.04

Finding the Fourth Proportional to 880,861.90, 1,321,275.06 and 281,823.04

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Solution

The fourth proportional to 880,861.90, 1,321,275.06 and 281,823.04 is: 422,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,861.90 : 1,321,275.06 = 281,823.04 : x
  2. Step 2: Convert to fraction form
    880,861.90/1,321,275.06 = 281,823.04/x
  3. Step 3: Cross multiply
    880,861.90x = 1,321,275.06 × 281,823.04
  4. Step 4: Simplify right side
    880,861.90x = 372,365,754,085.38
  5. Step 5: Solve for x
    x = 372,365,754,085.38/880,861.90
  6. Step 6: Final answer
    x = 422,728.87

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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.