Home / 547,888.35-756,102.07-306,171.50

Finding the Fourth Proportional to 547,888.35, 756,102.07 and 306,171.50

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Solution

The fourth proportional to 547,888.35, 756,102.07 and 306,171.50 is: 422,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,888.35 : 756,102.07 = 306,171.50 : x
  2. Step 2: Convert to fraction form
    547,888.35/756,102.07 = 306,171.50/x
  3. Step 3: Cross multiply
    547,888.35x = 756,102.07 × 306,171.50
  4. Step 4: Simplify right side
    547,888.35x = 231,496,904,739.00
  5. Step 5: Solve for x
    x = 231,496,904,739.00/547,888.35
  6. Step 6: Final answer
    x = 422,525.69

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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.