Home / 778,209.76-1,167,350.43-238,427.38

Finding the Fourth Proportional to 778,209.76, 1,167,350.43 and 238,427.38

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Solution

The fourth proportional to 778,209.76, 1,167,350.43 and 238,427.38 is: 357,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,209.76 : 1,167,350.43 = 238,427.38 : x
  2. Step 2: Convert to fraction form
    778,209.76/1,167,350.43 = 238,427.38/x
  3. Step 3: Cross multiply
    778,209.76x = 1,167,350.43 × 238,427.38
  4. Step 4: Simplify right side
    778,209.76x = 278,328,306,920.06
  5. Step 5: Solve for x
    x = 278,328,306,920.06/778,209.76
  6. Step 6: Final answer
    x = 357,652.04

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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.