Home / 880,388.48-1,321,033.12-419,288.52

Finding the Fourth Proportional to 880,388.48, 1,321,033.12 and 419,288.52

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Solution

The fourth proportional to 880,388.48, 1,321,033.12 and 419,288.52 is: 629,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,388.48 : 1,321,033.12 = 419,288.52 : x
  2. Step 2: Convert to fraction form
    880,388.48/1,321,033.12 = 419,288.52/x
  3. Step 3: Cross multiply
    880,388.48x = 1,321,033.12 × 419,288.52
  4. Step 4: Simplify right side
    880,388.48x = 553,894,021,755.78
  5. Step 5: Solve for x
    x = 553,894,021,755.78/880,388.48
  6. Step 6: Final answer
    x = 629,147.28

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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.