Home / 721,064.10-1,080,833.43-271,590.49

Finding the Fourth Proportional to 721,064.10, 1,080,833.43 and 271,590.49

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Solution

The fourth proportional to 721,064.10, 1,080,833.43 and 271,590.49 is: 407,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,064.10 : 1,080,833.43 = 271,590.49 : x
  2. Step 2: Convert to fraction form
    721,064.10/1,080,833.43 = 271,590.49/x
  3. Step 3: Cross multiply
    721,064.10x = 1,080,833.43 × 271,590.49
  4. Step 4: Simplify right side
    721,064.10x = 293,544,080,862.08
  5. Step 5: Solve for x
    x = 293,544,080,862.08/721,064.10
  6. Step 6: Final answer
    x = 407,098.45

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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.