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Finding the Fourth Proportional to 617,950.60, 866,375 and 617,950.60

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Solution

The fourth proportional to 617,950.60, 866,375 and 617,950.60 is: 866,375

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,950.60 : 866,375 = 617,950.60 : x
  2. Step 2: Convert to fraction form
    617,950.60/866,375 = 617,950.60/x
  3. Step 3: Cross multiply
    617,950.60x = 866,375 × 617,950.60
  4. Step 4: Simplify right side
    617,950.60x = 535,376,951,075
  5. Step 5: Solve for x
    x = 535,376,951,075/617,950.60
  6. Step 6: Final answer
    x = 866,375

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.