Home / 681,946.20-1,022,882.40-208,631.52

Finding the Fourth Proportional to 681,946.20, 1,022,882.40 and 208,631.52

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Solution

The fourth proportional to 681,946.20, 1,022,882.40 and 208,631.52 is: 312,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,946.20 : 1,022,882.40 = 208,631.52 : x
  2. Step 2: Convert to fraction form
    681,946.20/1,022,882.40 = 208,631.52/x
  3. Step 3: Cross multiply
    681,946.20x = 1,022,882.40 × 208,631.52
  4. Step 4: Simplify right side
    681,946.20x = 213,405,509,893.25
  5. Step 5: Solve for x
    x = 213,405,509,893.25/681,946.20
  6. Step 6: Final answer
    x = 312,935.99

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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.