Home / 847,060.62-1,270,321.49-278,310.63

Finding the Fourth Proportional to 847,060.62, 1,270,321.49 and 278,310.63

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Solution

The fourth proportional to 847,060.62, 1,270,321.49 and 278,310.63 is: 417,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,060.62 : 1,270,321.49 = 278,310.63 : x
  2. Step 2: Convert to fraction form
    847,060.62/1,270,321.49 = 278,310.63/x
  3. Step 3: Cross multiply
    847,060.62x = 1,270,321.49 × 278,310.63
  4. Step 4: Simplify right side
    847,060.62x = 353,543,972,792.89
  5. Step 5: Solve for x
    x = 353,543,972,792.89/847,060.62
  6. Step 6: Final answer
    x = 417,377.42

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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.