Home / 792,100.80-1,188,151.20-392,803.20

Finding the Fourth Proportional to 792,100.80, 1,188,151.20 and 392,803.20

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Solution

The fourth proportional to 792,100.80, 1,188,151.20 and 392,803.20 is: 589,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,100.80 : 1,188,151.20 = 392,803.20 : x
  2. Step 2: Convert to fraction form
    792,100.80/1,188,151.20 = 392,803.20/x
  3. Step 3: Cross multiply
    792,100.80x = 1,188,151.20 × 392,803.20
  4. Step 4: Simplify right side
    792,100.80x = 466,709,593,443.84
  5. Step 5: Solve for x
    x = 466,709,593,443.84/792,100.80
  6. Step 6: Final answer
    x = 589,204.80

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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.