Home / 805,294.05-1,207,913.38-206,260.39

Finding the Fourth Proportional to 805,294.05, 1,207,913.38 and 206,260.39

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Solution

The fourth proportional to 805,294.05, 1,207,913.38 and 206,260.39 is: 309,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,294.05 : 1,207,913.38 = 206,260.39 : x
  2. Step 2: Convert to fraction form
    805,294.05/1,207,913.38 = 206,260.39/x
  3. Step 3: Cross multiply
    805,294.05x = 1,207,913.38 × 206,260.39
  4. Step 4: Simplify right side
    805,294.05x = 249,144,685,839.26
  5. Step 5: Solve for x
    x = 249,144,685,839.26/805,294.05
  6. Step 6: Final answer
    x = 309,383.49

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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.