Home / 779,234.88-1,168,150.56-280,248

Finding the Fourth Proportional to 779,234.88, 1,168,150.56 and 280,248

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Solution

The fourth proportional to 779,234.88, 1,168,150.56 and 280,248 is: 420,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,234.88 : 1,168,150.56 = 280,248 : x
  2. Step 2: Convert to fraction form
    779,234.88/1,168,150.56 = 280,248/x
  3. Step 3: Cross multiply
    779,234.88x = 1,168,150.56 × 280,248
  4. Step 4: Simplify right side
    779,234.88x = 327,371,858,138.88
  5. Step 5: Solve for x
    x = 327,371,858,138.88/779,234.88
  6. Step 6: Final answer
    x = 420,119.62

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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.