Home / 792,647.20-1,188,970.80-260,039.80

Finding the Fourth Proportional to 792,647.20, 1,188,970.80 and 260,039.80

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Solution

The fourth proportional to 792,647.20, 1,188,970.80 and 260,039.80 is: 390,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,647.20 : 1,188,970.80 = 260,039.80 : x
  2. Step 2: Convert to fraction form
    792,647.20/1,188,970.80 = 260,039.80/x
  3. Step 3: Cross multiply
    792,647.20x = 1,188,970.80 × 260,039.80
  4. Step 4: Simplify right side
    792,647.20x = 309,179,729,037.84
  5. Step 5: Solve for x
    x = 309,179,729,037.84/792,647.20
  6. Step 6: Final answer
    x = 390,059.70

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Similar ratio
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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.