Home / 770,734.56-1,156,212.61-238,297.11

Finding the Fourth Proportional to 770,734.56, 1,156,212.61 and 238,297.11

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Solution

The fourth proportional to 770,734.56, 1,156,212.61 and 238,297.11 is: 357,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,734.56 : 1,156,212.61 = 238,297.11 : x
  2. Step 2: Convert to fraction form
    770,734.56/1,156,212.61 = 238,297.11/x
  3. Step 3: Cross multiply
    770,734.56x = 1,156,212.61 × 238,297.11
  4. Step 4: Simplify right side
    770,734.56x = 275,522,123,508.56
  5. Step 5: Solve for x
    x = 275,522,123,508.56/770,734.56
  6. Step 6: Final answer
    x = 357,479.91

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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.