Home / 823,855.25-1,235,899.83-255,281.03

Finding the Fourth Proportional to 823,855.25, 1,235,899.83 and 255,281.03

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Solution

The fourth proportional to 823,855.25, 1,235,899.83 and 255,281.03 is: 382,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,855.25 : 1,235,899.83 = 255,281.03 : x
  2. Step 2: Convert to fraction form
    823,855.25/1,235,899.83 = 255,281.03/x
  3. Step 3: Cross multiply
    823,855.25x = 1,235,899.83 × 255,281.03
  4. Step 4: Simplify right side
    823,855.25x = 315,501,781,579.23
  5. Step 5: Solve for x
    x = 315,501,781,579.23/823,855.25
  6. Step 6: Final answer
    x = 382,957.78

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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.