Home / 680,292.82-1,020,586.85-206,965.88

Finding the Fourth Proportional to 680,292.82, 1,020,586.85 and 206,965.88

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Solution

The fourth proportional to 680,292.82, 1,020,586.85 and 206,965.88 is: 310,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,292.82 : 1,020,586.85 = 206,965.88 : x
  2. Step 2: Convert to fraction form
    680,292.82/1,020,586.85 = 206,965.88/x
  3. Step 3: Cross multiply
    680,292.82x = 1,020,586.85 × 206,965.88
  4. Step 4: Simplify right side
    680,292.82x = 211,226,650,941.16
  5. Step 5: Solve for x
    x = 211,226,650,941.16/680,292.82
  6. Step 6: Final answer
    x = 310,493.72

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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.