Home / 538,447.83-743,063.09-296,739.22

Finding the Fourth Proportional to 538,447.83, 743,063.09 and 296,739.22

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Solution

The fourth proportional to 538,447.83, 743,063.09 and 296,739.22 is: 409,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,447.83 : 743,063.09 = 296,739.22 : x
  2. Step 2: Convert to fraction form
    538,447.83/743,063.09 = 296,739.22/x
  3. Step 3: Cross multiply
    538,447.83x = 743,063.09 × 296,739.22
  4. Step 4: Simplify right side
    538,447.83x = 220,495,964,382.88
  5. Step 5: Solve for x
    x = 220,495,964,382.88/538,447.83
  6. Step 6: Final answer
    x = 409,502.93

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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.