Home / 340,919.66-511,379.48-323,872.45

Finding the Fourth Proportional to 340,919.66, 511,379.48 and 323,872.45

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Solution

The fourth proportional to 340,919.66, 511,379.48 and 323,872.45 is: 485,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,919.66 : 511,379.48 = 323,872.45 : x
  2. Step 2: Convert to fraction form
    340,919.66/511,379.48 = 323,872.45/x
  3. Step 3: Cross multiply
    340,919.66x = 511,379.48 × 323,872.45
  4. Step 4: Simplify right side
    340,919.66x = 165,621,726,372.41
  5. Step 5: Solve for x
    x = 165,621,726,372.41/340,919.66
  6. Step 6: Final answer
    x = 485,808.66

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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.