Home / 823,429.80-1,235,144.70-262,464.30

Finding the Fourth Proportional to 823,429.80, 1,235,144.70 and 262,464.30

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Solution

The fourth proportional to 823,429.80, 1,235,144.70 and 262,464.30 is: 393,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,429.80 : 1,235,144.70 = 262,464.30 : x
  2. Step 2: Convert to fraction form
    823,429.80/1,235,144.70 = 262,464.30/x
  3. Step 3: Cross multiply
    823,429.80x = 1,235,144.70 × 262,464.30
  4. Step 4: Simplify right side
    823,429.80x = 324,181,389,084.21
  5. Step 5: Solve for x
    x = 324,181,389,084.21/823,429.80
  6. Step 6: Final answer
    x = 393,696.45

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Double scale
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Similar ratio
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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.