Home / 905,572.19-1,358,404.80-231,659.33

Finding the Fourth Proportional to 905,572.19, 1,358,404.80 and 231,659.33

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Solution

The fourth proportional to 905,572.19, 1,358,404.80 and 231,659.33 is: 347,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,572.19 : 1,358,404.80 = 231,659.33 : x
  2. Step 2: Convert to fraction form
    905,572.19/1,358,404.80 = 231,659.33/x
  3. Step 3: Cross multiply
    905,572.19x = 1,358,404.80 × 231,659.33
  4. Step 4: Simplify right side
    905,572.19x = 314,687,145,836.78
  5. Step 5: Solve for x
    x = 314,687,145,836.78/905,572.19
  6. Step 6: Final answer
    x = 347,500.89

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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.