Home / 889,758.47-1,334,865.22-258,672.29

Finding the Fourth Proportional to 889,758.47, 1,334,865.22 and 258,672.29

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Solution

The fourth proportional to 889,758.47, 1,334,865.22 and 258,672.29 is: 388,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,758.47 : 1,334,865.22 = 258,672.29 : x
  2. Step 2: Convert to fraction form
    889,758.47/1,334,865.22 = 258,672.29/x
  3. Step 3: Cross multiply
    889,758.47x = 1,334,865.22 × 258,672.29
  4. Step 4: Simplify right side
    889,758.47x = 345,292,635,977.75
  5. Step 5: Solve for x
    x = 345,292,635,977.75/889,758.47
  6. Step 6: Final answer
    x = 388,074.57

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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.