Home / 828,920.80-1,244,037.30-323,723.80

Finding the Fourth Proportional to 828,920.80, 1,244,037.30 and 323,723.80

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Solution

The fourth proportional to 828,920.80, 1,244,037.30 and 323,723.80 is: 485,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,920.80 : 1,244,037.30 = 323,723.80 : x
  2. Step 2: Convert to fraction form
    828,920.80/1,244,037.30 = 323,723.80/x
  3. Step 3: Cross multiply
    828,920.80x = 1,244,037.30 × 323,723.80
  4. Step 4: Simplify right side
    828,920.80x = 402,724,482,097.74
  5. Step 5: Solve for x
    x = 402,724,482,097.74/828,920.80
  6. Step 6: Final answer
    x = 485,841.93

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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.