Home / 659,399.39-988,960.69-185,974.03

Finding the Fourth Proportional to 659,399.39, 988,960.69 and 185,974.03

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Solution

The fourth proportional to 659,399.39, 988,960.69 and 185,974.03 is: 278,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,399.39 : 988,960.69 = 185,974.03 : x
  2. Step 2: Convert to fraction form
    659,399.39/988,960.69 = 185,974.03/x
  3. Step 3: Cross multiply
    659,399.39x = 988,960.69 × 185,974.03
  4. Step 4: Simplify right side
    659,399.39x = 183,921,005,030.88
  5. Step 5: Solve for x
    x = 183,921,005,030.88/659,399.39
  6. Step 6: Final answer
    x = 278,922.01

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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.