Home / 800,873.20-1,200,955.56-239,803.12

Finding the Fourth Proportional to 800,873.20, 1,200,955.56 and 239,803.12

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Solution

The fourth proportional to 800,873.20, 1,200,955.56 and 239,803.12 is: 359,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,873.20 : 1,200,955.56 = 239,803.12 : x
  2. Step 2: Convert to fraction form
    800,873.20/1,200,955.56 = 239,803.12/x
  3. Step 3: Cross multiply
    800,873.20x = 1,200,955.56 × 239,803.12
  4. Step 4: Simplify right side
    800,873.20x = 287,992,890,269.35
  5. Step 5: Solve for x
    x = 287,992,890,269.35/800,873.20
  6. Step 6: Final answer
    x = 359,598.61

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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.