Home / 829,540.10-1,244,310.15-268,631.30

Finding the Fourth Proportional to 829,540.10, 1,244,310.15 and 268,631.30

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Solution

The fourth proportional to 829,540.10, 1,244,310.15 and 268,631.30 is: 402,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,540.10 : 1,244,310.15 = 268,631.30 : x
  2. Step 2: Convert to fraction form
    829,540.10/1,244,310.15 = 268,631.30/x
  3. Step 3: Cross multiply
    829,540.10x = 1,244,310.15 × 268,631.30
  4. Step 4: Simplify right side
    829,540.10x = 334,260,653,197.70
  5. Step 5: Solve for x
    x = 334,260,653,197.70/829,540.10
  6. Step 6: Final answer
    x = 402,946.95

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1.5x scale

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.