Home / 681,873.94-1,022,851.92-208,563.40

Finding the Fourth Proportional to 681,873.94, 1,022,851.92 and 208,563.40

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Solution

The fourth proportional to 681,873.94, 1,022,851.92 and 208,563.40 is: 312,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,873.94 : 1,022,851.92 = 208,563.40 : x
  2. Step 2: Convert to fraction form
    681,873.94/1,022,851.92 = 208,563.40/x
  3. Step 3: Cross multiply
    681,873.94x = 1,022,851.92 × 208,563.40
  4. Step 4: Simplify right side
    681,873.94x = 213,329,473,088.91
  5. Step 5: Solve for x
    x = 213,329,473,088.91/681,873.94
  6. Step 6: Final answer
    x = 312,857.64

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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.