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Finding the Fourth Proportional to 684,436.62, 944,528.82 and 378,497.19

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Solution

The fourth proportional to 684,436.62, 944,528.82 and 378,497.19 is: 522,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,436.62 : 944,528.82 = 378,497.19 : x
  2. Step 2: Convert to fraction form
    684,436.62/944,528.82 = 378,497.19/x
  3. Step 3: Cross multiply
    684,436.62x = 944,528.82 × 378,497.19
  4. Step 4: Simplify right side
    684,436.62x = 357,501,504,244.02
  5. Step 5: Solve for x
    x = 357,501,504,244.02/684,436.62
  6. Step 6: Final answer
    x = 522,329.60

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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.