Home / 889,321.62-1,333,578.78-383,643.48

Finding the Fourth Proportional to 889,321.62, 1,333,578.78 and 383,643.48

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Solution

The fourth proportional to 889,321.62, 1,333,578.78 and 383,643.48 is: 575,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,321.62 : 1,333,578.78 = 383,643.48 : x
  2. Step 2: Convert to fraction form
    889,321.62/1,333,578.78 = 383,643.48/x
  3. Step 3: Cross multiply
    889,321.62x = 1,333,578.78 × 383,643.48
  4. Step 4: Simplify right side
    889,321.62x = 511,618,804,013.35
  5. Step 5: Solve for x
    x = 511,618,804,013.35/889,321.62
  6. Step 6: Final answer
    x = 575,291.09

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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.