Home / 681,929.76-1,022,935.61-208,619.22

Finding the Fourth Proportional to 681,929.76, 1,022,935.61 and 208,619.22

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Solution

The fourth proportional to 681,929.76, 1,022,935.61 and 208,619.22 is: 312,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,929.76 : 1,022,935.61 = 208,619.22 : x
  2. Step 2: Convert to fraction form
    681,929.76/1,022,935.61 = 208,619.22/x
  3. Step 3: Cross multiply
    681,929.76x = 1,022,935.61 × 208,619.22
  4. Step 4: Simplify right side
    681,929.76x = 213,404,029,068.42
  5. Step 5: Solve for x
    x = 213,404,029,068.42/681,929.76
  6. Step 6: Final answer
    x = 312,941.36

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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.