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Finding the Fourth Proportional to 631,363.16, 871,266.84 and 344,884.52

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Solution

The fourth proportional to 631,363.16, 871,266.84 and 344,884.52 is: 475,932.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,363.16 : 871,266.84 = 344,884.52 : x
  2. Step 2: Convert to fraction form
    631,363.16/871,266.84 = 344,884.52/x
  3. Step 3: Cross multiply
    631,363.16x = 871,266.84 × 344,884.52
  4. Step 4: Simplify right side
    631,363.16x = 300,486,445,905.32
  5. Step 5: Solve for x
    x = 300,486,445,905.32/631,363.16
  6. Step 6: Final answer
    x = 475,932.81

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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.