Home / 680,296.08-1,020,591.75-206,969.14

Finding the Fourth Proportional to 680,296.08, 1,020,591.75 and 206,969.14

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Solution

The fourth proportional to 680,296.08, 1,020,591.75 and 206,969.14 is: 310,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,296.08 : 1,020,591.75 = 206,969.14 : x
  2. Step 2: Convert to fraction form
    680,296.08/1,020,591.75 = 206,969.14/x
  3. Step 3: Cross multiply
    680,296.08x = 1,020,591.75 × 206,969.14
  4. Step 4: Simplify right side
    680,296.08x = 211,230,996,788.60
  5. Step 5: Solve for x
    x = 211,230,996,788.60/680,296.08
  6. Step 6: Final answer
    x = 310,498.62

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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.