Home / 418,684.24-629,295.18-277,012.72

Finding the Fourth Proportional to 418,684.24, 629,295.18 and 277,012.72

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Solution

The fourth proportional to 418,684.24, 629,295.18 and 277,012.72 is: 416,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,684.24 : 629,295.18 = 277,012.72 : x
  2. Step 2: Convert to fraction form
    418,684.24/629,295.18 = 277,012.72/x
  3. Step 3: Cross multiply
    418,684.24x = 629,295.18 × 277,012.72
  4. Step 4: Simplify right side
    418,684.24x = 174,322,769,494.69
  5. Step 5: Solve for x
    x = 174,322,769,494.69/418,684.24
  6. Step 6: Final answer
    x = 416,358.57

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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.