Home / 639,327.86-882,259.92-348,941.50

Finding the Fourth Proportional to 639,327.86, 882,259.92 and 348,941.50

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Solution

The fourth proportional to 639,327.86, 882,259.92 and 348,941.50 is: 481,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,327.86 : 882,259.92 = 348,941.50 : x
  2. Step 2: Convert to fraction form
    639,327.86/882,259.92 = 348,941.50/x
  3. Step 3: Cross multiply
    639,327.86x = 882,259.92 × 348,941.50
  4. Step 4: Simplify right side
    639,327.86x = 307,857,093,718.67
  5. Step 5: Solve for x
    x = 307,857,093,718.67/639,327.86
  6. Step 6: Final answer
    x = 481,532.43

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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.