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Finding the Fourth Proportional to 547,697.52, 755,816.04 and 306,003.60

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Solution

The fourth proportional to 547,697.52, 755,816.04 and 306,003.60 is: 422,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,697.52 : 755,816.04 = 306,003.60 : x
  2. Step 2: Convert to fraction form
    547,697.52/755,816.04 = 306,003.60/x
  3. Step 3: Cross multiply
    547,697.52x = 755,816.04 × 306,003.60
  4. Step 4: Simplify right side
    547,697.52x = 231,282,429,177.74
  5. Step 5: Solve for x
    x = 231,282,429,177.74/547,697.52
  6. Step 6: Final answer
    x = 422,281.32

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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.