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Finding the Fourth Proportional to 653,366.79, 978,737.97 and 297,891.81

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Solution

The fourth proportional to 653,366.79, 978,737.97 and 297,891.81 is: 446,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,366.79 : 978,737.97 = 297,891.81 : x
  2. Step 2: Convert to fraction form
    653,366.79/978,737.97 = 297,891.81/x
  3. Step 3: Cross multiply
    653,366.79x = 978,737.97 × 297,891.81
  4. Step 4: Simplify right side
    653,366.79x = 291,558,025,399.03
  5. Step 5: Solve for x
    x = 291,558,025,399.03/653,366.79
  6. Step 6: Final answer
    x = 446,239.43

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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.