Home / 639,060.44-881,906.29-352,588.96

Finding the Fourth Proportional to 639,060.44, 881,906.29 and 352,588.96

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Solution

The fourth proportional to 639,060.44, 881,906.29 and 352,588.96 is: 486,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,060.44 : 881,906.29 = 352,588.96 : x
  2. Step 2: Convert to fraction form
    639,060.44/881,906.29 = 352,588.96/x
  3. Step 3: Cross multiply
    639,060.44x = 881,906.29 × 352,588.96
  4. Step 4: Simplify right side
    639,060.44x = 310,950,418,522.32
  5. Step 5: Solve for x
    x = 310,950,418,522.32/639,060.44
  6. Step 6: Final answer
    x = 486,574.35

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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.