Home / 917,083.20-1,375,819.20-277,334.40

Finding the Fourth Proportional to 917,083.20, 1,375,819.20 and 277,334.40

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Solution

The fourth proportional to 917,083.20, 1,375,819.20 and 277,334.40 is: 416,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,083.20 : 1,375,819.20 = 277,334.40 : x
  2. Step 2: Convert to fraction form
    917,083.20/1,375,819.20 = 277,334.40/x
  3. Step 3: Cross multiply
    917,083.20x = 1,375,819.20 × 277,334.40
  4. Step 4: Simplify right side
    917,083.20x = 381,561,992,340.48
  5. Step 5: Solve for x
    x = 381,561,992,340.48/917,083.20
  6. Step 6: Final answer
    x = 416,060.39

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1.5x scale

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.