Home / 455,939.57-629,274.74-265,063.68

Finding the Fourth Proportional to 455,939.57, 629,274.74 and 265,063.68

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Solution

The fourth proportional to 455,939.57, 629,274.74 and 265,063.68 is: 365,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,939.57 : 629,274.74 = 265,063.68 : x
  2. Step 2: Convert to fraction form
    455,939.57/629,274.74 = 265,063.68/x
  3. Step 3: Cross multiply
    455,939.57x = 629,274.74 × 265,063.68
  4. Step 4: Simplify right side
    455,939.57x = 166,797,878,481.11
  5. Step 5: Solve for x
    x = 166,797,878,481.11/455,939.57
  6. Step 6: Final answer
    x = 365,833.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.