Home / 727,188.44-1,090,900.85-214,905.56

Finding the Fourth Proportional to 727,188.44, 1,090,900.85 and 214,905.56

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Solution

The fourth proportional to 727,188.44, 1,090,900.85 and 214,905.56 is: 322,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,188.44 : 1,090,900.85 = 214,905.56 : x
  2. Step 2: Convert to fraction form
    727,188.44/1,090,900.85 = 214,905.56/x
  3. Step 3: Cross multiply
    727,188.44x = 1,090,900.85 × 214,905.56
  4. Step 4: Simplify right side
    727,188.44x = 234,440,658,073.73
  5. Step 5: Solve for x
    x = 234,440,658,073.73/727,188.44
  6. Step 6: Final answer
    x = 322,393.27

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1.5x scale

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.