Home / 727,829.60-1,091,744.40-254,562.80

Finding the Fourth Proportional to 727,829.60, 1,091,744.40 and 254,562.80

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Solution

The fourth proportional to 727,829.60, 1,091,744.40 and 254,562.80 is: 381,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,829.60 : 1,091,744.40 = 254,562.80 : x
  2. Step 2: Convert to fraction form
    727,829.60/1,091,744.40 = 254,562.80/x
  3. Step 3: Cross multiply
    727,829.60x = 1,091,744.40 × 254,562.80
  4. Step 4: Simplify right side
    727,829.60x = 277,917,511,348.32
  5. Step 5: Solve for x
    x = 277,917,511,348.32/727,829.60
  6. Step 6: Final answer
    x = 381,844.20

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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.