Home / 815,477.05-1,223,635.31-336,059.09

Finding the Fourth Proportional to 815,477.05, 1,223,635.31 and 336,059.09

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Solution

The fourth proportional to 815,477.05, 1,223,635.31 and 336,059.09 is: 504,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,477.05 : 1,223,635.31 = 336,059.09 : x
  2. Step 2: Convert to fraction form
    815,477.05/1,223,635.31 = 336,059.09/x
  3. Step 3: Cross multiply
    815,477.05x = 1,223,635.31 × 336,059.09
  4. Step 4: Simplify right side
    815,477.05x = 411,213,763,492.44
  5. Step 5: Solve for x
    x = 411,213,763,492.44/815,477.05
  6. Step 6: Final answer
    x = 504,261.60

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Double scale
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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.