Home / 639,567.24-882,588.96-349,168.92

Finding the Fourth Proportional to 639,567.24, 882,588.96 and 349,168.92

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Solution

The fourth proportional to 639,567.24, 882,588.96 and 349,168.92 is: 481,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,567.24 : 882,588.96 = 349,168.92 : x
  2. Step 2: Convert to fraction form
    639,567.24/882,588.96 = 349,168.92/x
  3. Step 3: Cross multiply
    639,567.24x = 882,588.96 × 349,168.92
  4. Step 4: Simplify right side
    639,567.24x = 308,172,633,967.12
  5. Step 5: Solve for x
    x = 308,172,633,967.12/639,567.24
  6. Step 6: Final answer
    x = 481,845.56

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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.