Home / 821,498.22-1,229,249.86-484,700.22

Finding the Fourth Proportional to 821,498.22, 1,229,249.86 and 484,700.22

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Solution

The fourth proportional to 821,498.22, 1,229,249.86 and 484,700.22 is: 725,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,498.22 : 1,229,249.86 = 484,700.22 : x
  2. Step 2: Convert to fraction form
    821,498.22/1,229,249.86 = 484,700.22/x
  3. Step 3: Cross multiply
    821,498.22x = 1,229,249.86 × 484,700.22
  4. Step 4: Simplify right side
    821,498.22x = 595,817,676,365.22
  5. Step 5: Solve for x
    x = 595,817,676,365.22/821,498.22
  6. Step 6: Final answer
    x = 725,281.76

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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.