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Finding the Fourth Proportional to 631,497.04, 871,440.06 and 345,027.04

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Solution

The fourth proportional to 631,497.04, 871,440.06 and 345,027.04 is: 476,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,497.04 : 871,440.06 = 345,027.04 : x
  2. Step 2: Convert to fraction form
    631,497.04/871,440.06 = 345,027.04/x
  3. Step 3: Cross multiply
    631,497.04x = 871,440.06 × 345,027.04
  4. Step 4: Simplify right side
    631,497.04x = 300,670,384,439.22
  5. Step 5: Solve for x
    x = 300,670,384,439.22/631,497.04
  6. Step 6: Final answer
    x = 476,123.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.