Home / 680,979.25-1,021,466.12-207,663.24

Finding the Fourth Proportional to 680,979.25, 1,021,466.12 and 207,663.24

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Solution

The fourth proportional to 680,979.25, 1,021,466.12 and 207,663.24 is: 311,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,979.25 : 1,021,466.12 = 207,663.24 : x
  2. Step 2: Convert to fraction form
    680,979.25/1,021,466.12 = 207,663.24/x
  3. Step 3: Cross multiply
    680,979.25x = 1,021,466.12 × 207,663.24
  4. Step 4: Simplify right side
    680,979.25x = 212,120,964,029.43
  5. Step 5: Solve for x
    x = 212,120,964,029.43/680,979.25
  6. Step 6: Final answer
    x = 311,494.02

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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.