Home / 911,512.80-1,367,269.20-246,664.80

Finding the Fourth Proportional to 911,512.80, 1,367,269.20 and 246,664.80

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Solution

The fourth proportional to 911,512.80, 1,367,269.20 and 246,664.80 is: 369,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,512.80 : 1,367,269.20 = 246,664.80 : x
  2. Step 2: Convert to fraction form
    911,512.80/1,367,269.20 = 246,664.80/x
  3. Step 3: Cross multiply
    911,512.80x = 1,367,269.20 × 246,664.80
  4. Step 4: Simplify right side
    911,512.80x = 337,257,183,764.16
  5. Step 5: Solve for x
    x = 337,257,183,764.16/911,512.80
  6. Step 6: Final answer
    x = 369,997.20

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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.