Home / 725,219.73-1,087,829.60-275,836.79

Finding the Fourth Proportional to 725,219.73, 1,087,829.60 and 275,836.79

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Solution

The fourth proportional to 725,219.73, 1,087,829.60 and 275,836.79 is: 413,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,219.73 : 1,087,829.60 = 275,836.79 : x
  2. Step 2: Convert to fraction form
    725,219.73/1,087,829.60 = 275,836.79/x
  3. Step 3: Cross multiply
    725,219.73x = 1,087,829.60 × 275,836.79
  4. Step 4: Simplify right side
    725,219.73x = 300,063,426,271.37
  5. Step 5: Solve for x
    x = 300,063,426,271.37/725,219.73
  6. Step 6: Final answer
    x = 413,755.19

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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.