Home / 399,824.40-597,914.76-298,691.76

Finding the Fourth Proportional to 399,824.40, 597,914.76 and 298,691.76

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Solution

The fourth proportional to 399,824.40, 597,914.76 and 298,691.76 is: 446,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,824.40 : 597,914.76 = 298,691.76 : x
  2. Step 2: Convert to fraction form
    399,824.40/597,914.76 = 298,691.76/x
  3. Step 3: Cross multiply
    399,824.40x = 597,914.76 × 298,691.76
  4. Step 4: Simplify right side
    399,824.40x = 178,592,211,994.38
  5. Step 5: Solve for x
    x = 178,592,211,994.38/399,824.40
  6. Step 6: Final answer
    x = 446,676.62

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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.