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Finding the Fourth Proportional to 536,591.52, 740,480.94 and 303,996.78

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Solution

The fourth proportional to 536,591.52, 740,480.94 and 303,996.78 is: 419,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,591.52 : 740,480.94 = 303,996.78 : x
  2. Step 2: Convert to fraction form
    536,591.52/740,480.94 = 303,996.78/x
  3. Step 3: Cross multiply
    536,591.52x = 740,480.94 × 303,996.78
  4. Step 4: Simplify right side
    536,591.52x = 225,103,821,411.37
  5. Step 5: Solve for x
    x = 225,103,821,411.37/536,591.52
  6. Step 6: Final answer
    x = 419,506.86

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1.5x scale

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.