Home / 742,855.24-1,114,823.94-269,578.72

Finding the Fourth Proportional to 742,855.24, 1,114,823.94 and 269,578.72

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Solution

The fourth proportional to 742,855.24, 1,114,823.94 and 269,578.72 is: 404,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,855.24 : 1,114,823.94 = 269,578.72 : x
  2. Step 2: Convert to fraction form
    742,855.24/1,114,823.94 = 269,578.72/x
  3. Step 3: Cross multiply
    742,855.24x = 1,114,823.94 × 269,578.72
  4. Step 4: Simplify right side
    742,855.24x = 300,532,810,770.56
  5. Step 5: Solve for x
    x = 300,532,810,770.56/742,855.24
  6. Step 6: Final answer
    x = 404,564.44

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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.