Home / 721,044.52-1,081,565.42-271,866.16

Finding the Fourth Proportional to 721,044.52, 1,081,565.42 and 271,866.16

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Solution

The fourth proportional to 721,044.52, 1,081,565.42 and 271,866.16 is: 407,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,044.52 : 1,081,565.42 = 271,866.16 : x
  2. Step 2: Convert to fraction form
    721,044.52/1,081,565.42 = 271,866.16/x
  3. Step 3: Cross multiply
    721,044.52x = 1,081,565.42 × 271,866.16
  4. Step 4: Simplify right side
    721,044.52x = 294,041,037,524.19
  5. Step 5: Solve for x
    x = 294,041,037,524.19/721,044.52
  6. Step 6: Final answer
    x = 407,798.73

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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.