Home / 872,507.13-1,308,777.09-273,455.04

Finding the Fourth Proportional to 872,507.13, 1,308,777.09 and 273,455.04

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Solution

The fourth proportional to 872,507.13, 1,308,777.09 and 273,455.04 is: 410,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,507.13 : 1,308,777.09 = 273,455.04 : x
  2. Step 2: Convert to fraction form
    872,507.13/1,308,777.09 = 273,455.04/x
  3. Step 3: Cross multiply
    872,507.13x = 1,308,777.09 × 273,455.04
  4. Step 4: Simplify right side
    872,507.13x = 357,891,691,497.03
  5. Step 5: Solve for x
    x = 357,891,691,497.03/872,507.13
  6. Step 6: Final answer
    x = 410,187.70

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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.