Home / 810,222.10-1,213,000.35-726,241.30

Finding the Fourth Proportional to 810,222.10, 1,213,000.35 and 726,241.30

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Solution

The fourth proportional to 810,222.10, 1,213,000.35 and 726,241.30 is: 1,087,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,222.10 : 1,213,000.35 = 726,241.30 : x
  2. Step 2: Convert to fraction form
    810,222.10/1,213,000.35 = 726,241.30/x
  3. Step 3: Cross multiply
    810,222.10x = 1,213,000.35 × 726,241.30
  4. Step 4: Simplify right side
    810,222.10x = 880,930,951,084.46
  5. Step 5: Solve for x
    x = 880,930,951,084.46/810,222.10
  6. Step 6: Final answer
    x = 1,087,270.95

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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.