Home / 770,735.44-1,156,213.93-238,297.98

Finding the Fourth Proportional to 770,735.44, 1,156,213.93 and 238,297.98

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Solution

The fourth proportional to 770,735.44, 1,156,213.93 and 238,297.98 is: 357,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,735.44 : 1,156,213.93 = 238,297.98 : x
  2. Step 2: Convert to fraction form
    770,735.44/1,156,213.93 = 238,297.98/x
  3. Step 3: Cross multiply
    770,735.44x = 1,156,213.93 × 238,297.98
  4. Step 4: Simplify right side
    770,735.44x = 275,523,443,966.86
  5. Step 5: Solve for x
    x = 275,523,443,966.86/770,735.44
  6. Step 6: Final answer
    x = 357,481.22

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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.