Home / 905,535.18-1,358,288.79-231,610.52

Finding the Fourth Proportional to 905,535.18, 1,358,288.79 and 231,610.52

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Solution

The fourth proportional to 905,535.18, 1,358,288.79 and 231,610.52 is: 347,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,535.18 : 1,358,288.79 = 231,610.52 : x
  2. Step 2: Convert to fraction form
    905,535.18/1,358,288.79 = 231,610.52/x
  3. Step 3: Cross multiply
    905,535.18x = 1,358,288.79 × 231,610.52
  4. Step 4: Simplify right side
    905,535.18x = 314,593,971,804.02
  5. Step 5: Solve for x
    x = 314,593,971,804.02/905,535.18
  6. Step 6: Final answer
    x = 347,412.20

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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.