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Finding the Fourth Proportional to 547,587.72, 755,596.35 and 305,839.44

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Solution

The fourth proportional to 547,587.72, 755,596.35 and 305,839.44 is: 422,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,587.72 : 755,596.35 = 305,839.44 : x
  2. Step 2: Convert to fraction form
    547,587.72/755,596.35 = 305,839.44/x
  3. Step 3: Cross multiply
    547,587.72x = 755,596.35 × 305,839.44
  4. Step 4: Simplify right side
    547,587.72x = 231,091,164,550.04
  5. Step 5: Solve for x
    x = 231,091,164,550.04/547,587.72
  6. Step 6: Final answer
    x = 422,016.70

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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.