Home / 829,399.40-1,244,296.52-268,433.88

Finding the Fourth Proportional to 829,399.40, 1,244,296.52 and 268,433.88

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Solution

The fourth proportional to 829,399.40, 1,244,296.52 and 268,433.88 is: 402,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,399.40 : 1,244,296.52 = 268,433.88 : x
  2. Step 2: Convert to fraction form
    829,399.40/1,244,296.52 = 268,433.88/x
  3. Step 3: Cross multiply
    829,399.40x = 1,244,296.52 × 268,433.88
  4. Step 4: Simplify right side
    829,399.40x = 334,011,342,734.10
  5. Step 5: Solve for x
    x = 334,011,342,734.10/829,399.40
  6. Step 6: Final answer
    x = 402,714.71

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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.