Home / 885,286.40-1,328,102.40-352,716.80

Finding the Fourth Proportional to 885,286.40, 1,328,102.40 and 352,716.80

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Solution

The fourth proportional to 885,286.40, 1,328,102.40 and 352,716.80 is: 529,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,286.40 : 1,328,102.40 = 352,716.80 : x
  2. Step 2: Convert to fraction form
    885,286.40/1,328,102.40 = 352,716.80/x
  3. Step 3: Cross multiply
    885,286.40x = 1,328,102.40 × 352,716.80
  4. Step 4: Simplify right side
    885,286.40x = 468,444,028,600.32
  5. Step 5: Solve for x
    x = 468,444,028,600.32/885,286.40
  6. Step 6: Final answer
    x = 529,144.05

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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.