Home / 778,092.20-1,166,969.82-209,459.24

Finding the Fourth Proportional to 778,092.20, 1,166,969.82 and 209,459.24

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Solution

The fourth proportional to 778,092.20, 1,166,969.82 and 209,459.24 is: 314,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,092.20 : 1,166,969.82 = 209,459.24 : x
  2. Step 2: Convert to fraction form
    778,092.20/1,166,969.82 = 209,459.24/x
  3. Step 3: Cross multiply
    778,092.20x = 1,166,969.82 × 209,459.24
  4. Step 4: Simplify right side
    778,092.20x = 244,432,611,600.14
  5. Step 5: Solve for x
    x = 244,432,611,600.14/778,092.20
  6. Step 6: Final answer
    x = 314,143.51

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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.