Home / 672,342.77-1,008,711.66-199,040.43

Finding the Fourth Proportional to 672,342.77, 1,008,711.66 and 199,040.43

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Solution

The fourth proportional to 672,342.77, 1,008,711.66 and 199,040.43 is: 298,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,342.77 : 1,008,711.66 = 199,040.43 : x
  2. Step 2: Convert to fraction form
    672,342.77/1,008,711.66 = 199,040.43/x
  3. Step 3: Cross multiply
    672,342.77x = 1,008,711.66 × 199,040.43
  4. Step 4: Simplify right side
    672,342.77x = 200,774,402,552.41
  5. Step 5: Solve for x
    x = 200,774,402,552.41/672,342.77
  6. Step 6: Final answer
    x = 298,619.11

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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.