Home / 889,329.35-1,334,030.94-258,243.17

Finding the Fourth Proportional to 889,329.35, 1,334,030.94 and 258,243.17

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Solution

The fourth proportional to 889,329.35, 1,334,030.94 and 258,243.17 is: 387,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,329.35 : 1,334,030.94 = 258,243.17 : x
  2. Step 2: Convert to fraction form
    889,329.35/1,334,030.94 = 258,243.17/x
  3. Step 3: Cross multiply
    889,329.35x = 1,334,030.94 × 258,243.17
  4. Step 4: Simplify right side
    889,329.35x = 344,504,378,823.68
  5. Step 5: Solve for x
    x = 344,504,378,823.68/889,329.35
  6. Step 6: Final answer
    x = 387,375.47

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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.