Home / 829,034.80-1,244,473.80-513,847.60

Finding the Fourth Proportional to 829,034.80, 1,244,473.80 and 513,847.60

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Solution

The fourth proportional to 829,034.80, 1,244,473.80 and 513,847.60 is: 771,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,034.80 : 1,244,473.80 = 513,847.60 : x
  2. Step 2: Convert to fraction form
    829,034.80/1,244,473.80 = 513,847.60/x
  3. Step 3: Cross multiply
    829,034.80x = 1,244,473.80 × 513,847.60
  4. Step 4: Simplify right side
    829,034.80x = 639,469,875,392.88
  5. Step 5: Solve for x
    x = 639,469,875,392.88/829,034.80
  6. Step 6: Final answer
    x = 771,342.62

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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.