Home / 742,866.88-1,114,742.96-269,589.12

Finding the Fourth Proportional to 742,866.88, 1,114,742.96 and 269,589.12

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Solution

The fourth proportional to 742,866.88, 1,114,742.96 and 269,589.12 is: 404,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,866.88 : 1,114,742.96 = 269,589.12 : x
  2. Step 2: Convert to fraction form
    742,866.88/1,114,742.96 = 269,589.12/x
  3. Step 3: Cross multiply
    742,866.88x = 1,114,742.96 × 269,589.12
  4. Step 4: Simplify right side
    742,866.88x = 300,522,573,612.60
  5. Step 5: Solve for x
    x = 300,522,573,612.60/742,866.88
  6. Step 6: Final answer
    x = 404,544.32

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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.