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Finding the Fourth Proportional to 629,650.24, 868,935.54 and 343,188.88

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Solution

The fourth proportional to 629,650.24, 868,935.54 and 343,188.88 is: 473,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,650.24 : 868,935.54 = 343,188.88 : x
  2. Step 2: Convert to fraction form
    629,650.24/868,935.54 = 343,188.88/x
  3. Step 3: Cross multiply
    629,650.24x = 868,935.54 × 343,188.88
  4. Step 4: Simplify right side
    629,650.24x = 298,209,014,764.80
  5. Step 5: Solve for x
    x = 298,209,014,764.80/629,650.24
  6. Step 6: Final answer
    x = 473,610.58

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1.5x scale

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.