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Finding the Fourth Proportional to 486,182, 728,025.48 and 336,215.36

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Solution

The fourth proportional to 486,182, 728,025.48 and 336,215.36 is: 503,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,182 : 728,025.48 = 336,215.36 : x
  2. Step 2: Convert to fraction form
    486,182/728,025.48 = 336,215.36/x
  3. Step 3: Cross multiply
    486,182x = 728,025.48 × 336,215.36
  4. Step 4: Simplify right side
    486,182x = 244,773,348,847.37
  5. Step 5: Solve for x
    x = 244,773,348,847.37/486,182
  6. Step 6: Final answer
    x = 503,460.33

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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.