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Finding the Fourth Proportional to 700,671.35, 966,926.46 and 378,381.42

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Solution

The fourth proportional to 700,671.35, 966,926.46 and 378,381.42 is: 522,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,671.35 : 966,926.46 = 378,381.42 : x
  2. Step 2: Convert to fraction form
    700,671.35/966,926.46 = 378,381.42/x
  3. Step 3: Cross multiply
    700,671.35x = 966,926.46 × 378,381.42
  4. Step 4: Simplify right side
    700,671.35x = 365,867,003,485.97
  5. Step 5: Solve for x
    x = 365,867,003,485.97/700,671.35
  6. Step 6: Final answer
    x = 522,166.35

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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.