Home / 782,661.04-1,174,517.76-277,220.32

Finding the Fourth Proportional to 782,661.04, 1,174,517.76 and 277,220.32

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Solution

The fourth proportional to 782,661.04, 1,174,517.76 and 277,220.32 is: 416,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,661.04 : 1,174,517.76 = 277,220.32 : x
  2. Step 2: Convert to fraction form
    782,661.04/1,174,517.76 = 277,220.32/x
  3. Step 3: Cross multiply
    782,661.04x = 1,174,517.76 × 277,220.32
  4. Step 4: Simplify right side
    782,661.04x = 325,600,189,272.88
  5. Step 5: Solve for x
    x = 325,600,189,272.88/782,661.04
  6. Step 6: Final answer
    x = 416,016.86

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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.