Home / 547,701.18-755,827.56-305,983.82

Finding the Fourth Proportional to 547,701.18, 755,827.56 and 305,983.82

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Solution

The fourth proportional to 547,701.18, 755,827.56 and 305,983.82 is: 422,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,701.18 : 755,827.56 = 305,983.82 : x
  2. Step 2: Convert to fraction form
    547,701.18/755,827.56 = 305,983.82/x
  3. Step 3: Cross multiply
    547,701.18x = 755,827.56 × 305,983.82
  4. Step 4: Simplify right side
    547,701.18x = 231,271,000,290.94
  5. Step 5: Solve for x
    x = 231,271,000,290.94/547,701.18
  6. Step 6: Final answer
    x = 422,257.63

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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.