Home / 639,167.73-882,050.45-352,687.57

Finding the Fourth Proportional to 639,167.73, 882,050.45 and 352,687.57

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Solution

The fourth proportional to 639,167.73, 882,050.45 and 352,687.57 is: 486,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,167.73 : 882,050.45 = 352,687.57 : x
  2. Step 2: Convert to fraction form
    639,167.73/882,050.45 = 352,687.57/x
  3. Step 3: Cross multiply
    639,167.73x = 882,050.45 × 352,687.57
  4. Step 4: Simplify right side
    639,167.73x = 311,088,225,859.34
  5. Step 5: Solve for x
    x = 311,088,225,859.34/639,167.73
  6. Step 6: Final answer
    x = 486,708.28

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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.