Home / 820,773.06-1,231,098.12-288,298.80

Finding the Fourth Proportional to 820,773.06, 1,231,098.12 and 288,298.80

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Solution

The fourth proportional to 820,773.06, 1,231,098.12 and 288,298.80 is: 432,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,773.06 : 1,231,098.12 = 288,298.80 : x
  2. Step 2: Convert to fraction form
    820,773.06/1,231,098.12 = 288,298.80/x
  3. Step 3: Cross multiply
    820,773.06x = 1,231,098.12 × 288,298.80
  4. Step 4: Simplify right side
    820,773.06x = 354,924,110,678.26
  5. Step 5: Solve for x
    x = 354,924,110,678.26/820,773.06
  6. Step 6: Final answer
    x = 432,426.61

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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.