Home / 889,331.42-1,334,034.02-258,245.23

Finding the Fourth Proportional to 889,331.42, 1,334,034.02 and 258,245.23

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Solution

The fourth proportional to 889,331.42, 1,334,034.02 and 258,245.23 is: 387,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,331.42 : 1,334,034.02 = 258,245.23 : x
  2. Step 2: Convert to fraction form
    889,331.42/1,334,034.02 = 258,245.23/x
  3. Step 3: Cross multiply
    889,331.42x = 1,334,034.02 × 258,245.23
  4. Step 4: Simplify right side
    889,331.42x = 344,507,917,696.41
  5. Step 5: Solve for x
    x = 344,507,917,696.41/889,331.42
  6. Step 6: Final answer
    x = 387,378.55

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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.