Home / 679,326.64-1,018,909.50-230,046.64

Finding the Fourth Proportional to 679,326.64, 1,018,909.50 and 230,046.64

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Solution

The fourth proportional to 679,326.64, 1,018,909.50 and 230,046.64 is: 345,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,326.64 : 1,018,909.50 = 230,046.64 : x
  2. Step 2: Convert to fraction form
    679,326.64/1,018,909.50 = 230,046.64/x
  3. Step 3: Cross multiply
    679,326.64x = 1,018,909.50 × 230,046.64
  4. Step 4: Simplify right side
    679,326.64x = 234,396,706,939.08
  5. Step 5: Solve for x
    x = 234,396,706,939.08/679,326.64
  6. Step 6: Final answer
    x = 345,042.71

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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.