Home / 680,633.60-1,020,712.40-200,734.11

Finding the Fourth Proportional to 680,633.60, 1,020,712.40 and 200,734.11

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Solution

The fourth proportional to 680,633.60, 1,020,712.40 and 200,734.11 is: 301,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,633.60 : 1,020,712.40 = 200,734.11 : x
  2. Step 2: Convert to fraction form
    680,633.60/1,020,712.40 = 200,734.11/x
  3. Step 3: Cross multiply
    680,633.60x = 1,020,712.40 × 200,734.11
  4. Step 4: Simplify right side
    680,633.60x = 204,891,794,929.05
  5. Step 5: Solve for x
    x = 204,891,794,929.05/680,633.60
  6. Step 6: Final answer
    x = 301,030.98

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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.