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Finding the Fourth Proportional to 557,676.90, 769,592.52 and 303,028.02

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Solution

The fourth proportional to 557,676.90, 769,592.52 and 303,028.02 is: 418,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,676.90 : 769,592.52 = 303,028.02 : x
  2. Step 2: Convert to fraction form
    557,676.90/769,592.52 = 303,028.02/x
  3. Step 3: Cross multiply
    557,676.90x = 769,592.52 × 303,028.02
  4. Step 4: Simplify right side
    557,676.90x = 233,208,097,542.41
  5. Step 5: Solve for x
    x = 233,208,097,542.41/557,676.90
  6. Step 6: Final answer
    x = 418,177.80

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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.