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Finding the Fourth Proportional to 506,052.52, 698,940.90 and 335,991.40

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Solution

The fourth proportional to 506,052.52, 698,940.90 and 335,991.40 is: 464,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,052.52 : 698,940.90 = 335,991.40 : x
  2. Step 2: Convert to fraction form
    506,052.52/698,940.90 = 335,991.40/x
  3. Step 3: Cross multiply
    506,052.52x = 698,940.90 × 335,991.40
  4. Step 4: Simplify right side
    506,052.52x = 234,838,131,508.26
  5. Step 5: Solve for x
    x = 234,838,131,508.26/506,052.52
  6. Step 6: Final answer
    x = 464,058.81

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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.