Home / 873,928.58-1,206,044.25-491,969.30

Finding the Fourth Proportional to 873,928.58, 1,206,044.25 and 491,969.30

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Solution

The fourth proportional to 873,928.58, 1,206,044.25 and 491,969.30 is: 678,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,928.58 : 1,206,044.25 = 491,969.30 : x
  2. Step 2: Convert to fraction form
    873,928.58/1,206,044.25 = 491,969.30/x
  3. Step 3: Cross multiply
    873,928.58x = 1,206,044.25 × 491,969.30
  4. Step 4: Simplify right side
    873,928.58x = 593,336,745,441.53
  5. Step 5: Solve for x
    x = 593,336,745,441.53/873,928.58
  6. Step 6: Final answer
    x = 678,930.47

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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.