Home / 778,236.27-1,167,266.88-209,659.38

Finding the Fourth Proportional to 778,236.27, 1,167,266.88 and 209,659.38

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Solution

The fourth proportional to 778,236.27, 1,167,266.88 and 209,659.38 is: 314,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,236.27 : 1,167,266.88 = 209,659.38 : x
  2. Step 2: Convert to fraction form
    778,236.27/1,167,266.88 = 209,659.38/x
  3. Step 3: Cross multiply
    778,236.27x = 1,167,266.88 × 209,659.38
  4. Step 4: Simplify right side
    778,236.27x = 244,728,450,355.33
  5. Step 5: Solve for x
    x = 244,728,450,355.33/778,236.27
  6. Step 6: Final answer
    x = 314,465.49

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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.