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Finding the Fourth Proportional to 611,497.36, 843,850.02 and 339,558.16

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Solution

The fourth proportional to 611,497.36, 843,850.02 and 339,558.16 is: 468,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,497.36 : 843,850.02 = 339,558.16 : x
  2. Step 2: Convert to fraction form
    611,497.36/843,850.02 = 339,558.16/x
  3. Step 3: Cross multiply
    611,497.36x = 843,850.02 × 339,558.16
  4. Step 4: Simplify right side
    611,497.36x = 286,536,160,107.16
  5. Step 5: Solve for x
    x = 286,536,160,107.16/611,497.36
  6. Step 6: Final answer
    x = 468,581.19

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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.