Home / 639,203.25-882,094.95-348,820.56

Finding the Fourth Proportional to 639,203.25, 882,094.95 and 348,820.56

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Solution

The fourth proportional to 639,203.25, 882,094.95 and 348,820.56 is: 481,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,203.25 : 882,094.95 = 348,820.56 : x
  2. Step 2: Convert to fraction form
    639,203.25/882,094.95 = 348,820.56/x
  3. Step 3: Cross multiply
    639,203.25x = 882,094.95 × 348,820.56
  4. Step 4: Simplify right side
    639,203.25x = 307,692,854,432.17
  5. Step 5: Solve for x
    x = 307,692,854,432.17/639,203.25
  6. Step 6: Final answer
    x = 481,369.35

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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.