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Finding the Fourth Proportional to 631,325.38, 871,247.46 and 344,849.98

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Solution

The fourth proportional to 631,325.38, 871,247.46 and 344,849.98 is: 475,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,325.38 : 871,247.46 = 344,849.98 : x
  2. Step 2: Convert to fraction form
    631,325.38/871,247.46 = 344,849.98/x
  3. Step 3: Cross multiply
    631,325.38x = 871,247.46 × 344,849.98
  4. Step 4: Simplify right side
    631,325.38x = 300,449,669,156.05
  5. Step 5: Solve for x
    x = 300,449,669,156.05/631,325.38
  6. Step 6: Final answer
    x = 475,903.04

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1.5x scale

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.