Home / 659,270.82-988,944.52-254,465.34

Finding the Fourth Proportional to 659,270.82, 988,944.52 and 254,465.34

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Solution

The fourth proportional to 659,270.82, 988,944.52 and 254,465.34 is: 381,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,270.82 : 988,944.52 = 254,465.34 : x
  2. Step 2: Convert to fraction form
    659,270.82/988,944.52 = 254,465.34/x
  3. Step 3: Cross multiply
    659,270.82x = 988,944.52 × 254,465.34
  4. Step 4: Simplify right side
    659,270.82x = 251,652,103,522.94
  5. Step 5: Solve for x
    x = 251,652,103,522.94/659,270.82
  6. Step 6: Final answer
    x = 381,712.79

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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.