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Finding the Fourth Proportional to 594,723.23, 820,696.09 and 322,785.28

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Solution

The fourth proportional to 594,723.23, 820,696.09 and 322,785.28 is: 445,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,723.23 : 820,696.09 = 322,785.28 : x
  2. Step 2: Convert to fraction form
    594,723.23/820,696.09 = 322,785.28/x
  3. Step 3: Cross multiply
    594,723.23x = 820,696.09 × 322,785.28
  4. Step 4: Simplify right side
    594,723.23x = 264,908,617,205.56
  5. Step 5: Solve for x
    x = 264,908,617,205.56/594,723.23
  6. Step 6: Final answer
    x = 445,431.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.