Home / 639,675.91-959,976.84-250,239.77

Finding the Fourth Proportional to 639,675.91, 959,976.84 and 250,239.77

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Solution

The fourth proportional to 639,675.91, 959,976.84 and 250,239.77 is: 375,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,675.91 : 959,976.84 = 250,239.77 : x
  2. Step 2: Convert to fraction form
    639,675.91/959,976.84 = 250,239.77/x
  3. Step 3: Cross multiply
    639,675.91x = 959,976.84 × 250,239.77
  4. Step 4: Simplify right side
    639,675.91x = 240,224,379,482.59
  5. Step 5: Solve for x
    x = 240,224,379,482.59/639,675.91
  6. Step 6: Final answer
    x = 375,540.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.