Home / 679,977.08-1,019,972.73-200,213.96

Finding the Fourth Proportional to 679,977.08, 1,019,972.73 and 200,213.96

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Solution

The fourth proportional to 679,977.08, 1,019,972.73 and 200,213.96 is: 300,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,977.08 : 1,019,972.73 = 200,213.96 : x
  2. Step 2: Convert to fraction form
    679,977.08/1,019,972.73 = 200,213.96/x
  3. Step 3: Cross multiply
    679,977.08x = 1,019,972.73 × 200,213.96
  4. Step 4: Simplify right side
    679,977.08x = 204,212,781,915.24
  5. Step 5: Solve for x
    x = 204,212,781,915.24/679,977.08
  6. Step 6: Final answer
    x = 300,323.04

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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.