Home / 809,203.60-1,213,805.40-248,237.20

Finding the Fourth Proportional to 809,203.60, 1,213,805.40 and 248,237.20

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Solution

The fourth proportional to 809,203.60, 1,213,805.40 and 248,237.20 is: 372,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,203.60 : 1,213,805.40 = 248,237.20 : x
  2. Step 2: Convert to fraction form
    809,203.60/1,213,805.40 = 248,237.20/x
  3. Step 3: Cross multiply
    809,203.60x = 1,213,805.40 × 248,237.20
  4. Step 4: Simplify right side
    809,203.60x = 301,311,653,840.88
  5. Step 5: Solve for x
    x = 301,311,653,840.88/809,203.60
  6. Step 6: Final answer
    x = 372,355.80

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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.