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Finding the Fourth Proportional to 557,080.02, 768,773.58 and 327,646.94

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Solution

The fourth proportional to 557,080.02, 768,773.58 and 327,646.94 is: 452,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,080.02 : 768,773.58 = 327,646.94 : x
  2. Step 2: Convert to fraction form
    557,080.02/768,773.58 = 327,646.94/x
  3. Step 3: Cross multiply
    557,080.02x = 768,773.58 × 327,646.94
  4. Step 4: Simplify right side
    557,080.02x = 251,886,307,195.98
  5. Step 5: Solve for x
    x = 251,886,307,195.98/557,080.02
  6. Step 6: Final answer
    x = 452,154.62

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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.