Home / 905,898.80-1,358,843.34-231,978.80

Finding the Fourth Proportional to 905,898.80, 1,358,843.34 and 231,978.80

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Solution

The fourth proportional to 905,898.80, 1,358,843.34 and 231,978.80 is: 347,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,898.80 : 1,358,843.34 = 231,978.80 : x
  2. Step 2: Convert to fraction form
    905,898.80/1,358,843.34 = 231,978.80/x
  3. Step 3: Cross multiply
    905,898.80x = 1,358,843.34 × 231,978.80
  4. Step 4: Simplify right side
    905,898.80x = 315,222,847,401.19
  5. Step 5: Solve for x
    x = 315,222,847,401.19/905,898.80
  6. Step 6: Final answer
    x = 347,966.96

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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.