Home / 880,060.64-1,320,079.82-281,014.21

Finding the Fourth Proportional to 880,060.64, 1,320,079.82 and 281,014.21

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Solution

The fourth proportional to 880,060.64, 1,320,079.82 and 281,014.21 is: 421,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,060.64 : 1,320,079.82 = 281,014.21 : x
  2. Step 2: Convert to fraction form
    880,060.64/1,320,079.82 = 281,014.21/x
  3. Step 3: Cross multiply
    880,060.64x = 1,320,079.82 × 281,014.21
  4. Step 4: Simplify right side
    880,060.64x = 370,961,181,153.84
  5. Step 5: Solve for x
    x = 370,961,181,153.84/880,060.64
  6. Step 6: Final answer
    x = 421,517.75

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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.