Home / 828,910.80-1,244,022.30-323,713.80

Finding the Fourth Proportional to 828,910.80, 1,244,022.30 and 323,713.80

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Solution

The fourth proportional to 828,910.80, 1,244,022.30 and 323,713.80 is: 485,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,910.80 : 1,244,022.30 = 323,713.80 : x
  2. Step 2: Convert to fraction form
    828,910.80/1,244,022.30 = 323,713.80/x
  3. Step 3: Cross multiply
    828,910.80x = 1,244,022.30 × 323,713.80
  4. Step 4: Simplify right side
    828,910.80x = 402,707,186,017.74
  5. Step 5: Solve for x
    x = 402,707,186,017.74/828,910.80
  6. Step 6: Final answer
    x = 485,826.93

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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.