Home / 872,508.13-1,308,778.59-273,456.04

Finding the Fourth Proportional to 872,508.13, 1,308,778.59 and 273,456.04

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Solution

The fourth proportional to 872,508.13, 1,308,778.59 and 273,456.04 is: 410,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,508.13 : 1,308,778.59 = 273,456.04 : x
  2. Step 2: Convert to fraction form
    872,508.13/1,308,778.59 = 273,456.04/x
  3. Step 3: Cross multiply
    872,508.13x = 1,308,778.59 × 273,456.04
  4. Step 4: Simplify right side
    872,508.13x = 357,893,410,458.18
  5. Step 5: Solve for x
    x = 357,893,410,458.18/872,508.13
  6. Step 6: Final answer
    x = 410,189.20

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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.