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Finding the Fourth Proportional to 594,579.48, 820,515.51 and 322,640.46

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Solution

The fourth proportional to 594,579.48, 820,515.51 and 322,640.46 is: 445,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,579.48 : 820,515.51 = 322,640.46 : x
  2. Step 2: Convert to fraction form
    594,579.48/820,515.51 = 322,640.46/x
  3. Step 3: Cross multiply
    594,579.48x = 820,515.51 × 322,640.46
  4. Step 4: Simplify right side
    594,579.48x = 264,731,501,583.54
  5. Step 5: Solve for x
    x = 264,731,501,583.54/594,579.48
  6. Step 6: Final answer
    x = 445,241.57

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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.