Home / 889,323.62-1,333,581.78-383,645.48

Finding the Fourth Proportional to 889,323.62, 1,333,581.78 and 383,645.48

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Solution

The fourth proportional to 889,323.62, 1,333,581.78 and 383,645.48 is: 575,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,323.62 : 1,333,581.78 = 383,645.48 : x
  2. Step 2: Convert to fraction form
    889,323.62/1,333,581.78 = 383,645.48/x
  3. Step 3: Cross multiply
    889,323.62x = 1,333,581.78 × 383,645.48
  4. Step 4: Simplify right side
    889,323.62x = 511,622,622,107.35
  5. Step 5: Solve for x
    x = 511,622,622,107.35/889,323.62
  6. Step 6: Final answer
    x = 575,294.09

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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.