Home / 694,840.23-1,042,301.66-268,379.28

Finding the Fourth Proportional to 694,840.23, 1,042,301.66 and 268,379.28

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Solution

The fourth proportional to 694,840.23, 1,042,301.66 and 268,379.28 is: 402,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,840.23 : 1,042,301.66 = 268,379.28 : x
  2. Step 2: Convert to fraction form
    694,840.23/1,042,301.66 = 268,379.28/x
  3. Step 3: Cross multiply
    694,840.23x = 1,042,301.66 × 268,379.28
  4. Step 4: Simplify right side
    694,840.23x = 279,732,167,711.71
  5. Step 5: Solve for x
    x = 279,732,167,711.71/694,840.23
  6. Step 6: Final answer
    x = 402,584.88

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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.