Home / 679,137.64-1,018,073.09-229,545.72

Finding the Fourth Proportional to 679,137.64, 1,018,073.09 and 229,545.72

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Solution

The fourth proportional to 679,137.64, 1,018,073.09 and 229,545.72 is: 344,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,137.64 : 1,018,073.09 = 229,545.72 : x
  2. Step 2: Convert to fraction form
    679,137.64/1,018,073.09 = 229,545.72/x
  3. Step 3: Cross multiply
    679,137.64x = 1,018,073.09 × 229,545.72
  4. Step 4: Simplify right side
    679,137.64x = 233,694,320,456.68
  5. Step 5: Solve for x
    x = 233,694,320,456.68/679,137.64
  6. Step 6: Final answer
    x = 344,104.50

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Double scale
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Similar ratio
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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.