Home / 547,723.72-755,844.80-306,008.11

Finding the Fourth Proportional to 547,723.72, 755,844.80 and 306,008.11

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Solution

The fourth proportional to 547,723.72, 755,844.80 and 306,008.11 is: 422,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,723.72 : 755,844.80 = 306,008.11 : x
  2. Step 2: Convert to fraction form
    547,723.72/755,844.80 = 306,008.11/x
  3. Step 3: Cross multiply
    547,723.72x = 755,844.80 × 306,008.11
  4. Step 4: Simplify right side
    547,723.72x = 231,294,634,922.10
  5. Step 5: Solve for x
    x = 231,294,634,922.10/547,723.72
  6. Step 6: Final answer
    x = 422,283.40

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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.