Home / 639,016.85-881,846.24-352,536.86

Finding the Fourth Proportional to 639,016.85, 881,846.24 and 352,536.86

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Solution

The fourth proportional to 639,016.85, 881,846.24 and 352,536.86 is: 486,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,016.85 : 881,846.24 = 352,536.86 : x
  2. Step 2: Convert to fraction form
    639,016.85/881,846.24 = 352,536.86/x
  3. Step 3: Cross multiply
    639,016.85x = 881,846.24 × 352,536.86
  4. Step 4: Simplify right side
    639,016.85x = 310,883,298,280.49
  5. Step 5: Solve for x
    x = 310,883,298,280.49/639,016.85
  6. Step 6: Final answer
    x = 486,502.51

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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.