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Finding the Fourth Proportional to 557,679.33, 769,596.03 and 303,030.54

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Solution

The fourth proportional to 557,679.33, 769,596.03 and 303,030.54 is: 418,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,679.33 : 769,596.03 = 303,030.54 : x
  2. Step 2: Convert to fraction form
    557,679.33/769,596.03 = 303,030.54/x
  3. Step 3: Cross multiply
    557,679.33x = 769,596.03 × 303,030.54
  4. Step 4: Simplify right side
    557,679.33x = 233,211,100,552.76
  5. Step 5: Solve for x
    x = 233,211,100,552.76/557,679.33
  6. Step 6: Final answer
    x = 418,181.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.