Home / 681,950.80-1,022,926.20-208,637.20

Finding the Fourth Proportional to 681,950.80, 1,022,926.20 and 208,637.20

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Solution

The fourth proportional to 681,950.80, 1,022,926.20 and 208,637.20 is: 312,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,950.80 : 1,022,926.20 = 208,637.20 : x
  2. Step 2: Convert to fraction form
    681,950.80/1,022,926.20 = 208,637.20/x
  3. Step 3: Cross multiply
    681,950.80x = 1,022,926.20 × 208,637.20
  4. Step 4: Simplify right side
    681,950.80x = 213,420,458,174.64
  5. Step 5: Solve for x
    x = 213,420,458,174.64/681,950.80
  6. Step 6: Final answer
    x = 312,955.80

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1.5x scale

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.