Home / 889,425.66-1,334,175.39-258,339.46

Finding the Fourth Proportional to 889,425.66, 1,334,175.39 and 258,339.46

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Solution

The fourth proportional to 889,425.66, 1,334,175.39 and 258,339.46 is: 387,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,425.66 : 1,334,175.39 = 258,339.46 : x
  2. Step 2: Convert to fraction form
    889,425.66/1,334,175.39 = 258,339.46/x
  3. Step 3: Cross multiply
    889,425.66x = 1,334,175.39 × 258,339.46
  4. Step 4: Simplify right side
    889,425.66x = 344,670,149,797.89
  5. Step 5: Solve for x
    x = 344,670,149,797.89/889,425.66
  6. Step 6: Final answer
    x = 387,519.91

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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.