Home / 889,261.20-1,334,064.60-258,195.60

Finding the Fourth Proportional to 889,261.20, 1,334,064.60 and 258,195.60

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Solution

The fourth proportional to 889,261.20, 1,334,064.60 and 258,195.60 is: 387,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,261.20 : 1,334,064.60 = 258,195.60 : x
  2. Step 2: Convert to fraction form
    889,261.20/1,334,064.60 = 258,195.60/x
  3. Step 3: Cross multiply
    889,261.20x = 1,334,064.60 × 258,195.60
  4. Step 4: Simplify right side
    889,261.20x = 344,449,609,835.76
  5. Step 5: Solve for x
    x = 344,449,609,835.76/889,261.20
  6. Step 6: Final answer
    x = 387,343.57

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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.