Home / 826,645.20-1,240,014.02-258,104.83

Finding the Fourth Proportional to 826,645.20, 1,240,014.02 and 258,104.83

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Solution

The fourth proportional to 826,645.20, 1,240,014.02 and 258,104.83 is: 387,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,645.20 : 1,240,014.02 = 258,104.83 : x
  2. Step 2: Convert to fraction form
    826,645.20/1,240,014.02 = 258,104.83/x
  3. Step 3: Cross multiply
    826,645.20x = 1,240,014.02 × 258,104.83
  4. Step 4: Simplify right side
    826,645.20x = 320,053,605,764.18
  5. Step 5: Solve for x
    x = 320,053,605,764.18/826,645.20
  6. Step 6: Final answer
    x = 387,171.68

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1.5x scale

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.