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Finding the Fourth Proportional to 579,372.66, 798,533.73 and 385,433.46

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Solution

The fourth proportional to 579,372.66, 798,533.73 and 385,433.46 is: 531,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,372.66 : 798,533.73 = 385,433.46 : x
  2. Step 2: Convert to fraction form
    579,372.66/798,533.73 = 385,433.46/x
  3. Step 3: Cross multiply
    579,372.66x = 798,533.73 × 385,433.46
  4. Step 4: Simplify right side
    579,372.66x = 307,781,618,480.61
  5. Step 5: Solve for x
    x = 307,781,618,480.61/579,372.66
  6. Step 6: Final answer
    x = 531,232.56

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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.