Home / 873,932.94-1,206,049.77-491,973.12

Finding the Fourth Proportional to 873,932.94, 1,206,049.77 and 491,973.12

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Solution

The fourth proportional to 873,932.94, 1,206,049.77 and 491,973.12 is: 678,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,932.94 : 1,206,049.77 = 491,973.12 : x
  2. Step 2: Convert to fraction form
    873,932.94/1,206,049.77 = 491,973.12/x
  3. Step 3: Cross multiply
    873,932.94x = 1,206,049.77 × 491,973.12
  4. Step 4: Simplify right side
    873,932.94x = 593,344,068,222.18
  5. Step 5: Solve for x
    x = 593,344,068,222.18/873,932.94
  6. Step 6: Final answer
    x = 678,935.47

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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.