Home / 870,221.54-1,305,332.69-271,231.00

Finding the Fourth Proportional to 870,221.54, 1,305,332.69 and 271,231.00

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Solution

The fourth proportional to 870,221.54, 1,305,332.69 and 271,231.00 is: 406,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,221.54 : 1,305,332.69 = 271,231.00 : x
  2. Step 2: Convert to fraction form
    870,221.54/1,305,332.69 = 271,231.00/x
  3. Step 3: Cross multiply
    870,221.54x = 1,305,332.69 × 271,231.00
  4. Step 4: Simplify right side
    870,221.54x = 354,046,686,221.90
  5. Step 5: Solve for x
    x = 354,046,686,221.90/870,221.54
  6. Step 6: Final answer
    x = 406,846.61

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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.