Home / 899,194.41-1,240,873.83-491,287.50

Finding the Fourth Proportional to 899,194.41, 1,240,873.83 and 491,287.50

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Solution

The fourth proportional to 899,194.41, 1,240,873.83 and 491,287.50 is: 677,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,194.41 : 1,240,873.83 = 491,287.50 : x
  2. Step 2: Convert to fraction form
    899,194.41/1,240,873.83 = 491,287.50/x
  3. Step 3: Cross multiply
    899,194.41x = 1,240,873.83 × 491,287.50
  4. Step 4: Simplify right side
    899,194.41x = 609,625,801,756.13
  5. Step 5: Solve for x
    x = 609,625,801,756.13/899,194.41
  6. Step 6: Final answer
    x = 677,968.85

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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.