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Finding the Fourth Proportional to 699,799.42, 966,188.01 and 538,369.66

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Solution

The fourth proportional to 699,799.42, 966,188.01 and 538,369.66 is: 743,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,799.42 : 966,188.01 = 538,369.66 : x
  2. Step 2: Convert to fraction form
    699,799.42/966,188.01 = 538,369.66/x
  3. Step 3: Cross multiply
    699,799.42x = 966,188.01 × 538,369.66
  4. Step 4: Simplify right side
    699,799.42x = 520,166,310,439.78
  5. Step 5: Solve for x
    x = 520,166,310,439.78/699,799.42
  6. Step 6: Final answer
    x = 743,307.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.