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Finding the Fourth Proportional to 557,883.44, 769,876.26 and 303,236

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Solution

The fourth proportional to 557,883.44, 769,876.26 and 303,236 is: 418,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,883.44 : 769,876.26 = 303,236 : x
  2. Step 2: Convert to fraction form
    557,883.44/769,876.26 = 303,236/x
  3. Step 3: Cross multiply
    557,883.44x = 769,876.26 × 303,236
  4. Step 4: Simplify right side
    557,883.44x = 233,454,197,577.36
  5. Step 5: Solve for x
    x = 233,454,197,577.36/557,883.44
  6. Step 6: Final answer
    x = 418,464.11

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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.