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Finding the Fourth Proportional to 663,352.04, 915,450.48 and 376,920.56

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Solution

The fourth proportional to 663,352.04, 915,450.48 and 376,920.56 is: 520,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,352.04 : 915,450.48 = 376,920.56 : x
  2. Step 2: Convert to fraction form
    663,352.04/915,450.48 = 376,920.56/x
  3. Step 3: Cross multiply
    663,352.04x = 915,450.48 × 376,920.56
  4. Step 4: Simplify right side
    663,352.04x = 345,052,107,573.87
  5. Step 5: Solve for x
    x = 345,052,107,573.87/663,352.04
  6. Step 6: Final answer
    x = 520,164.39

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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.