Home / 880,059.40-1,320,077.94-281,012.98

Finding the Fourth Proportional to 880,059.40, 1,320,077.94 and 281,012.98

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Solution

The fourth proportional to 880,059.40, 1,320,077.94 and 281,012.98 is: 421,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,059.40 : 1,320,077.94 = 281,012.98 : x
  2. Step 2: Convert to fraction form
    880,059.40/1,320,077.94 = 281,012.98/x
  3. Step 3: Cross multiply
    880,059.40x = 1,320,077.94 × 281,012.98
  4. Step 4: Simplify right side
    880,059.40x = 370,959,035,751.66
  5. Step 5: Solve for x
    x = 370,959,035,751.66/880,059.40
  6. Step 6: Final answer
    x = 421,515.91

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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.