Home / 851,664.95-1,277,625.36-275,095.70

Finding the Fourth Proportional to 851,664.95, 1,277,625.36 and 275,095.70

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Solution

The fourth proportional to 851,664.95, 1,277,625.36 and 275,095.70 is: 412,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,664.95 : 1,277,625.36 = 275,095.70 : x
  2. Step 2: Convert to fraction form
    851,664.95/1,277,625.36 = 275,095.70/x
  3. Step 3: Cross multiply
    851,664.95x = 1,277,625.36 × 275,095.70
  4. Step 4: Simplify right side
    851,664.95x = 351,469,236,358.83
  5. Step 5: Solve for x
    x = 351,469,236,358.83/851,664.95
  6. Step 6: Final answer
    x = 412,684.87

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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.