Home / 442,578.66-661,348.49-332,314.77

Finding the Fourth Proportional to 442,578.66, 661,348.49 and 332,314.77

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Solution

The fourth proportional to 442,578.66, 661,348.49 and 332,314.77 is: 496,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,578.66 : 661,348.49 = 332,314.77 : x
  2. Step 2: Convert to fraction form
    442,578.66/661,348.49 = 332,314.77/x
  3. Step 3: Cross multiply
    442,578.66x = 661,348.49 × 332,314.77
  4. Step 4: Simplify right side
    442,578.66x = 219,775,869,682.62
  5. Step 5: Solve for x
    x = 219,775,869,682.62/442,578.66
  6. Step 6: Final answer
    x = 496,580.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.