Home / 1,005,179.57-1,507,956.12-331,308.17

Finding the Fourth Proportional to 1,005,179.57, 1,507,956.12 and 331,308.17

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Solution

The fourth proportional to 1,005,179.57, 1,507,956.12 and 331,308.17 is: 497,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,179.57 : 1,507,956.12 = 331,308.17 : x
  2. Step 2: Convert to fraction form
    1,005,179.57/1,507,956.12 = 331,308.17/x
  3. Step 3: Cross multiply
    1,005,179.57x = 1,507,956.12 × 331,308.17
  4. Step 4: Simplify right side
    1,005,179.57x = 499,598,175,017.72
  5. Step 5: Solve for x
    x = 499,598,175,017.72/1,005,179.57
  6. Step 6: Final answer
    x = 497,023.81

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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.