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Finding the Fourth Proportional to 574,877.16, 793,348.48 and 329,906.75

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Solution

The fourth proportional to 574,877.16, 793,348.48 and 329,906.75 is: 455,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,877.16 : 793,348.48 = 329,906.75 : x
  2. Step 2: Convert to fraction form
    574,877.16/793,348.48 = 329,906.75/x
  3. Step 3: Cross multiply
    574,877.16x = 793,348.48 × 329,906.75
  4. Step 4: Simplify right side
    574,877.16x = 261,731,015,099.88
  5. Step 5: Solve for x
    x = 261,731,015,099.88/574,877.16
  6. Step 6: Final answer
    x = 455,281.64

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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.