Home / 777,879.89-1,166,991.21-238,140.25

Finding the Fourth Proportional to 777,879.89, 1,166,991.21 and 238,140.25

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Solution

The fourth proportional to 777,879.89, 1,166,991.21 and 238,140.25 is: 357,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,879.89 : 1,166,991.21 = 238,140.25 : x
  2. Step 2: Convert to fraction form
    777,879.89/1,166,991.21 = 238,140.25/x
  3. Step 3: Cross multiply
    777,879.89x = 1,166,991.21 × 238,140.25
  4. Step 4: Simplify right side
    777,879.89x = 277,907,575,094.08
  5. Step 5: Solve for x
    x = 277,907,575,094.08/777,879.89
  6. Step 6: Final answer
    x = 357,262.84

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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.