Home / 443,869.04-665,971.24-266,499.76

Finding the Fourth Proportional to 443,869.04, 665,971.24 and 266,499.76

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Solution

The fourth proportional to 443,869.04, 665,971.24 and 266,499.76 is: 399,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,869.04 : 665,971.24 = 266,499.76 : x
  2. Step 2: Convert to fraction form
    443,869.04/665,971.24 = 266,499.76/x
  3. Step 3: Cross multiply
    443,869.04x = 665,971.24 × 266,499.76
  4. Step 4: Simplify right side
    443,869.04x = 177,481,175,626.90
  5. Step 5: Solve for x
    x = 177,481,175,626.90/443,869.04
  6. Step 6: Final answer
    x = 399,850.32

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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.