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Finding the Fourth Proportional to 448,848, 619,410.24 and 247,644

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Solution

The fourth proportional to 448,848, 619,410.24 and 247,644 is: 341,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,848 : 619,410.24 = 247,644 : x
  2. Step 2: Convert to fraction form
    448,848/619,410.24 = 247,644/x
  3. Step 3: Cross multiply
    448,848x = 619,410.24 × 247,644
  4. Step 4: Simplify right side
    448,848x = 153,393,229,474.56
  5. Step 5: Solve for x
    x = 153,393,229,474.56/448,848
  6. Step 6: Final answer
    x = 341,748.72

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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.