Home / 809,384.08-1,213,969.56-248,371.60

Finding the Fourth Proportional to 809,384.08, 1,213,969.56 and 248,371.60

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Solution

The fourth proportional to 809,384.08, 1,213,969.56 and 248,371.60 is: 372,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,384.08 : 1,213,969.56 = 248,371.60 : x
  2. Step 2: Convert to fraction form
    809,384.08/1,213,969.56 = 248,371.60/x
  3. Step 3: Cross multiply
    809,384.08x = 1,213,969.56 × 248,371.60
  4. Step 4: Simplify right side
    809,384.08x = 301,515,561,968.50
  5. Step 5: Solve for x
    x = 301,515,561,968.50/809,384.08
  6. Step 6: Final answer
    x = 372,524.70

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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.