Home / 777,992.26-1,166,988.36-209,374.61

Finding the Fourth Proportional to 777,992.26, 1,166,988.36 and 209,374.61

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Solution

The fourth proportional to 777,992.26, 1,166,988.36 and 209,374.61 is: 314,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,992.26 : 1,166,988.36 = 209,374.61 : x
  2. Step 2: Convert to fraction form
    777,992.26/1,166,988.36 = 209,374.61/x
  3. Step 3: Cross multiply
    777,992.26x = 1,166,988.36 × 209,374.61
  4. Step 4: Simplify right side
    777,992.26x = 244,337,732,622.99
  5. Step 5: Solve for x
    x = 244,337,732,622.99/777,992.26
  6. Step 6: Final answer
    x = 314,061.91

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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.