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Finding the Fourth Proportional to 384,773.70, 576,504.45 and 328,349.10

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Solution

The fourth proportional to 384,773.70, 576,504.45 and 328,349.10 is: 491,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,773.70 : 576,504.45 = 328,349.10 : x
  2. Step 2: Convert to fraction form
    384,773.70/576,504.45 = 328,349.10/x
  3. Step 3: Cross multiply
    384,773.70x = 576,504.45 × 328,349.10
  4. Step 4: Simplify right side
    384,773.70x = 189,294,717,303.50
  5. Step 5: Solve for x
    x = 189,294,717,303.50/384,773.70
  6. Step 6: Final answer
    x = 491,963.76

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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.