Home / 829,020.80-1,244,187.30-323,823.80

Finding the Fourth Proportional to 829,020.80, 1,244,187.30 and 323,823.80

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Solution

The fourth proportional to 829,020.80, 1,244,187.30 and 323,823.80 is: 485,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,020.80 : 1,244,187.30 = 323,823.80 : x
  2. Step 2: Convert to fraction form
    829,020.80/1,244,187.30 = 323,823.80/x
  3. Step 3: Cross multiply
    829,020.80x = 1,244,187.30 × 323,823.80
  4. Step 4: Simplify right side
    829,020.80x = 402,897,459,397.74
  5. Step 5: Solve for x
    x = 402,897,459,397.74/829,020.80
  6. Step 6: Final answer
    x = 485,991.98

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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.