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Finding the Fourth Proportional to 629,602.40, 944,496.48 and 230,149.76

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Solution

The fourth proportional to 629,602.40, 944,496.48 and 230,149.76 is: 345,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,602.40 : 944,496.48 = 230,149.76 : x
  2. Step 2: Convert to fraction form
    629,602.40/944,496.48 = 230,149.76/x
  3. Step 3: Cross multiply
    629,602.40x = 944,496.48 × 230,149.76
  4. Step 4: Simplify right side
    629,602.40x = 217,375,638,192.85
  5. Step 5: Solve for x
    x = 217,375,638,192.85/629,602.40
  6. Step 6: Final answer
    x = 345,258.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.