Home / 953,229.29-1,429,855.49-279,324.26

Finding the Fourth Proportional to 953,229.29, 1,429,855.49 and 279,324.26

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Solution

The fourth proportional to 953,229.29, 1,429,855.49 and 279,324.26 is: 418,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,229.29 : 1,429,855.49 = 279,324.26 : x
  2. Step 2: Convert to fraction form
    953,229.29/1,429,855.49 = 279,324.26/x
  3. Step 3: Cross multiply
    953,229.29x = 1,429,855.49 × 279,324.26
  4. Step 4: Simplify right side
    953,229.29x = 399,393,318,105.29
  5. Step 5: Solve for x
    x = 399,393,318,105.29/953,229.29
  6. Step 6: Final answer
    x = 418,989.77

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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.