Home / 742,862.88-1,114,736.96-269,585.12

Finding the Fourth Proportional to 742,862.88, 1,114,736.96 and 269,585.12

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Solution

The fourth proportional to 742,862.88, 1,114,736.96 and 269,585.12 is: 404,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,862.88 : 1,114,736.96 = 269,585.12 : x
  2. Step 2: Convert to fraction form
    742,862.88/1,114,736.96 = 269,585.12/x
  3. Step 3: Cross multiply
    742,862.88x = 1,114,736.96 × 269,585.12
  4. Step 4: Simplify right side
    742,862.88x = 300,516,497,130.04
  5. Step 5: Solve for x
    x = 300,516,497,130.04/742,862.88
  6. Step 6: Final answer
    x = 404,538.31

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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.