Home / 806,632.61-1,209,940.67-207,591.44

Finding the Fourth Proportional to 806,632.61, 1,209,940.67 and 207,591.44

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Solution

The fourth proportional to 806,632.61, 1,209,940.67 and 207,591.44 is: 311,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,632.61 : 1,209,940.67 = 207,591.44 : x
  2. Step 2: Convert to fraction form
    806,632.61/1,209,940.67 = 207,591.44/x
  3. Step 3: Cross multiply
    806,632.61x = 1,209,940.67 × 207,591.44
  4. Step 4: Simplify right side
    806,632.61x = 251,173,318,912.20
  5. Step 5: Solve for x
    x = 251,173,318,912.20/806,632.61
  6. Step 6: Final answer
    x = 311,385.03

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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.