Home / 838,155.76-1,257,351.52-269,346.40

Finding the Fourth Proportional to 838,155.76, 1,257,351.52 and 269,346.40

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Solution

The fourth proportional to 838,155.76, 1,257,351.52 and 269,346.40 is: 404,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,155.76 : 1,257,351.52 = 269,346.40 : x
  2. Step 2: Convert to fraction form
    838,155.76/1,257,351.52 = 269,346.40/x
  3. Step 3: Cross multiply
    838,155.76x = 1,257,351.52 × 269,346.40
  4. Step 4: Simplify right side
    838,155.76x = 338,663,105,446.53
  5. Step 5: Solve for x
    x = 338,663,105,446.53/838,155.76
  6. Step 6: Final answer
    x = 404,057.48

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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.