Home / 1,005,179.82-1,507,956.50-331,308.42

Finding the Fourth Proportional to 1,005,179.82, 1,507,956.50 and 331,308.42

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Solution

The fourth proportional to 1,005,179.82, 1,507,956.50 and 331,308.42 is: 497,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,179.82 : 1,507,956.50 = 331,308.42 : x
  2. Step 2: Convert to fraction form
    1,005,179.82/1,507,956.50 = 331,308.42/x
  3. Step 3: Cross multiply
    1,005,179.82x = 1,507,956.50 × 331,308.42
  4. Step 4: Simplify right side
    1,005,179.82x = 499,598,685,443.73
  5. Step 5: Solve for x
    x = 499,598,685,443.73/1,005,179.82
  6. Step 6: Final answer
    x = 497,024.19

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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.