Home / 680,979.50-1,021,466.50-207,663.49

Finding the Fourth Proportional to 680,979.50, 1,021,466.50 and 207,663.49

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Solution

The fourth proportional to 680,979.50, 1,021,466.50 and 207,663.49 is: 311,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,979.50 : 1,021,466.50 = 207,663.49 : x
  2. Step 2: Convert to fraction form
    680,979.50/1,021,466.50 = 207,663.49/x
  3. Step 3: Cross multiply
    680,979.50x = 1,021,466.50 × 207,663.49
  4. Step 4: Simplify right side
    680,979.50x = 212,121,298,308.09
  5. Step 5: Solve for x
    x = 212,121,298,308.09/680,979.50
  6. Step 6: Final answer
    x = 311,494.40

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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.