Home / 667,439.29-1,000,326.25-325,601.02

Finding the Fourth Proportional to 667,439.29, 1,000,326.25 and 325,601.02

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Solution

The fourth proportional to 667,439.29, 1,000,326.25 and 325,601.02 is: 487,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,439.29 : 1,000,326.25 = 325,601.02 : x
  2. Step 2: Convert to fraction form
    667,439.29/1,000,326.25 = 325,601.02/x
  3. Step 3: Cross multiply
    667,439.29x = 1,000,326.25 × 325,601.02
  4. Step 4: Simplify right side
    667,439.29x = 325,707,247,332.78
  5. Step 5: Solve for x
    x = 325,707,247,332.78/667,439.29
  6. Step 6: Final answer
    x = 487,995.32

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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.