Home / 672,485.76-1,008,726.66-199,207.98

Finding the Fourth Proportional to 672,485.76, 1,008,726.66 and 199,207.98

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Solution

The fourth proportional to 672,485.76, 1,008,726.66 and 199,207.98 is: 298,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,485.76 : 1,008,726.66 = 199,207.98 : x
  2. Step 2: Convert to fraction form
    672,485.76/1,008,726.66 = 199,207.98/x
  3. Step 3: Cross multiply
    672,485.76x = 1,008,726.66 × 199,207.98
  4. Step 4: Simplify right side
    672,485.76x = 200,946,400,310.75
  5. Step 5: Solve for x
    x = 200,946,400,310.75/672,485.76
  6. Step 6: Final answer
    x = 298,811.38

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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.