Home / 861,361.74-1,291,944.03-230,324.76

Finding the Fourth Proportional to 861,361.74, 1,291,944.03 and 230,324.76

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Solution

The fourth proportional to 861,361.74, 1,291,944.03 and 230,324.76 is: 345,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,361.74 : 1,291,944.03 = 230,324.76 : x
  2. Step 2: Convert to fraction form
    861,361.74/1,291,944.03 = 230,324.76/x
  3. Step 3: Cross multiply
    861,361.74x = 1,291,944.03 × 230,324.76
  4. Step 4: Simplify right side
    861,361.74x = 297,566,698,643.18
  5. Step 5: Solve for x
    x = 297,566,698,643.18/861,361.74
  6. Step 6: Final answer
    x = 345,460.78

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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.