Home / 639,529.48-882,552.60-349,141.52

Finding the Fourth Proportional to 639,529.48, 882,552.60 and 349,141.52

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Solution

The fourth proportional to 639,529.48, 882,552.60 and 349,141.52 is: 481,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,529.48 : 882,552.60 = 349,141.52 : x
  2. Step 2: Convert to fraction form
    639,529.48/882,552.60 = 349,141.52/x
  3. Step 3: Cross multiply
    639,529.48x = 882,552.60 × 349,141.52
  4. Step 4: Simplify right side
    639,529.48x = 308,135,756,243.95
  5. Step 5: Solve for x
    x = 308,135,756,243.95/639,529.48
  6. Step 6: Final answer
    x = 481,816.34

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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.