Home / 939,824.40-1,409,736.60-229,843.20

Finding the Fourth Proportional to 939,824.40, 1,409,736.60 and 229,843.20

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Solution

The fourth proportional to 939,824.40, 1,409,736.60 and 229,843.20 is: 344,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,824.40 : 1,409,736.60 = 229,843.20 : x
  2. Step 2: Convert to fraction form
    939,824.40/1,409,736.60 = 229,843.20/x
  3. Step 3: Cross multiply
    939,824.40x = 1,409,736.60 × 229,843.20
  4. Step 4: Simplify right side
    939,824.40x = 324,018,371,301.12
  5. Step 5: Solve for x
    x = 324,018,371,301.12/939,824.40
  6. Step 6: Final answer
    x = 344,764.80

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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.