Home / 804,538.56-1,206,865.44-243,616.80

Finding the Fourth Proportional to 804,538.56, 1,206,865.44 and 243,616.80

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Solution

The fourth proportional to 804,538.56, 1,206,865.44 and 243,616.80 is: 365,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,538.56 : 1,206,865.44 = 243,616.80 : x
  2. Step 2: Convert to fraction form
    804,538.56/1,206,865.44 = 243,616.80/x
  3. Step 3: Cross multiply
    804,538.56x = 1,206,865.44 × 243,616.80
  4. Step 4: Simplify right side
    804,538.56x = 294,012,696,523.39
  5. Step 5: Solve for x
    x = 294,012,696,523.39/804,538.56
  6. Step 6: Final answer
    x = 365,442.64

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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.