Home / 721,094.70-1,080,879.32-271,621.10

Finding the Fourth Proportional to 721,094.70, 1,080,879.32 and 271,621.10

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Solution

The fourth proportional to 721,094.70, 1,080,879.32 and 271,621.10 is: 407,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,094.70 : 1,080,879.32 = 271,621.10 : x
  2. Step 2: Convert to fraction form
    721,094.70/1,080,879.32 = 271,621.10/x
  3. Step 3: Cross multiply
    721,094.70x = 1,080,879.32 × 271,621.10
  4. Step 4: Simplify right side
    721,094.70x = 293,589,629,865.65
  5. Step 5: Solve for x
    x = 293,589,629,865.65/721,094.70
  6. Step 6: Final answer
    x = 407,144.35

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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.