Home / 762,491.79-1,143,745.88-230,017.43

Finding the Fourth Proportional to 762,491.79, 1,143,745.88 and 230,017.43

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Solution

The fourth proportional to 762,491.79, 1,143,745.88 and 230,017.43 is: 345,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,491.79 : 1,143,745.88 = 230,017.43 : x
  2. Step 2: Convert to fraction form
    762,491.79/1,143,745.88 = 230,017.43/x
  3. Step 3: Cross multiply
    762,491.79x = 1,143,745.88 × 230,017.43
  4. Step 4: Simplify right side
    762,491.79x = 263,081,487,036.05
  5. Step 5: Solve for x
    x = 263,081,487,036.05/762,491.79
  6. Step 6: Final answer
    x = 345,028.62

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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.