Home / 889,759.47-1,334,866.72-258,673.29

Finding the Fourth Proportional to 889,759.47, 1,334,866.72 and 258,673.29

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Solution

The fourth proportional to 889,759.47, 1,334,866.72 and 258,673.29 is: 388,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,759.47 : 1,334,866.72 = 258,673.29 : x
  2. Step 2: Convert to fraction form
    889,759.47/1,334,866.72 = 258,673.29/x
  3. Step 3: Cross multiply
    889,759.47x = 1,334,866.72 × 258,673.29
  4. Step 4: Simplify right side
    889,759.47x = 345,294,366,173.91
  5. Step 5: Solve for x
    x = 345,294,366,173.91/889,759.47
  6. Step 6: Final answer
    x = 388,076.08

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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.