Home / 889,643.58-1,227,718.17-481,754.58

Finding the Fourth Proportional to 889,643.58, 1,227,718.17 and 481,754.58

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Solution

The fourth proportional to 889,643.58, 1,227,718.17 and 481,754.58 is: 664,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,643.58 : 1,227,718.17 = 481,754.58 : x
  2. Step 2: Convert to fraction form
    889,643.58/1,227,718.17 = 481,754.58/x
  3. Step 3: Cross multiply
    889,643.58x = 1,227,718.17 × 481,754.58
  4. Step 4: Simplify right side
    889,643.58x = 591,458,851,346.72
  5. Step 5: Solve for x
    x = 591,458,851,346.72/889,643.58
  6. Step 6: Final answer
    x = 664,826.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.