Home / 896,861.38-1,344,896.29-257,019.91

Finding the Fourth Proportional to 896,861.38, 1,344,896.29 and 257,019.91

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Solution

The fourth proportional to 896,861.38, 1,344,896.29 and 257,019.91 is: 385,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,861.38 : 1,344,896.29 = 257,019.91 : x
  2. Step 2: Convert to fraction form
    896,861.38/1,344,896.29 = 257,019.91/x
  3. Step 3: Cross multiply
    896,861.38x = 1,344,896.29 × 257,019.91
  4. Step 4: Simplify right side
    896,861.38x = 345,665,123,415.13
  5. Step 5: Solve for x
    x = 345,665,123,415.13/896,861.38
  6. Step 6: Final answer
    x = 385,416.44

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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.