Home / 721,092.70-1,080,876.32-271,619.10

Finding the Fourth Proportional to 721,092.70, 1,080,876.32 and 271,619.10

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Solution

The fourth proportional to 721,092.70, 1,080,876.32 and 271,619.10 is: 407,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,092.70 : 1,080,876.32 = 271,619.10 : x
  2. Step 2: Convert to fraction form
    721,092.70/1,080,876.32 = 271,619.10/x
  3. Step 3: Cross multiply
    721,092.70x = 1,080,876.32 × 271,619.10
  4. Step 4: Simplify right side
    721,092.70x = 293,586,653,249.71
  5. Step 5: Solve for x
    x = 293,586,653,249.71/721,092.70
  6. Step 6: Final answer
    x = 407,141.35

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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.