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Finding the Fourth Proportional to 710,338.85, 1,065,928.65 and 261,375

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Solution

The fourth proportional to 710,338.85, 1,065,928.65 and 261,375 is: 392,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,338.85 : 1,065,928.65 = 261,375 : x
  2. Step 2: Convert to fraction form
    710,338.85/1,065,928.65 = 261,375/x
  3. Step 3: Cross multiply
    710,338.85x = 1,065,928.65 × 261,375
  4. Step 4: Simplify right side
    710,338.85x = 278,607,100,893.75
  5. Step 5: Solve for x
    x = 278,607,100,893.75/710,338.85
  6. Step 6: Final answer
    x = 392,217.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.