Home / 829,020.30-1,244,186.55-323,823.30

Finding the Fourth Proportional to 829,020.30, 1,244,186.55 and 323,823.30

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Solution

The fourth proportional to 829,020.30, 1,244,186.55 and 323,823.30 is: 485,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,020.30 : 1,244,186.55 = 323,823.30 : x
  2. Step 2: Convert to fraction form
    829,020.30/1,244,186.55 = 323,823.30/x
  3. Step 3: Cross multiply
    829,020.30x = 1,244,186.55 × 323,823.30
  4. Step 4: Simplify right side
    829,020.30x = 402,896,594,436.62
  5. Step 5: Solve for x
    x = 402,896,594,436.62/829,020.30
  6. Step 6: Final answer
    x = 485,991.23

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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.