Home / 823,566.40-1,233,794.40-422,843.20

Finding the Fourth Proportional to 823,566.40, 1,233,794.40 and 422,843.20

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Solution

The fourth proportional to 823,566.40, 1,233,794.40 and 422,843.20 is: 633,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,566.40 : 1,233,794.40 = 422,843.20 : x
  2. Step 2: Convert to fraction form
    823,566.40/1,233,794.40 = 422,843.20/x
  3. Step 3: Cross multiply
    823,566.40x = 1,233,794.40 × 422,843.20
  4. Step 4: Simplify right side
    823,566.40x = 521,701,572,238.08
  5. Step 5: Solve for x
    x = 521,701,572,238.08/823,566.40
  6. Step 6: Final answer
    x = 633,466.31

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1.5x scale

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.