Home / 681,887.36-1,022,945.76-208,461.92

Finding the Fourth Proportional to 681,887.36, 1,022,945.76 and 208,461.92

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Solution

The fourth proportional to 681,887.36, 1,022,945.76 and 208,461.92 is: 312,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,887.36 : 1,022,945.76 = 208,461.92 : x
  2. Step 2: Convert to fraction form
    681,887.36/1,022,945.76 = 208,461.92/x
  3. Step 3: Cross multiply
    681,887.36x = 1,022,945.76 × 208,461.92
  4. Step 4: Simplify right side
    681,887.36x = 213,245,237,185.46
  5. Step 5: Solve for x
    x = 213,245,237,185.46/681,887.36
  6. Step 6: Final answer
    x = 312,727.95

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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.