Home / 762,163.42-1,143,687.87-341,439.29

Finding the Fourth Proportional to 762,163.42, 1,143,687.87 and 341,439.29

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Solution

The fourth proportional to 762,163.42, 1,143,687.87 and 341,439.29 is: 512,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,163.42 : 1,143,687.87 = 341,439.29 : x
  2. Step 2: Convert to fraction form
    762,163.42/1,143,687.87 = 341,439.29/x
  3. Step 3: Cross multiply
    762,163.42x = 1,143,687.87 × 341,439.29
  4. Step 4: Simplify right side
    762,163.42x = 390,499,977,173.63
  5. Step 5: Solve for x
    x = 390,499,977,173.63/762,163.42
  6. Step 6: Final answer
    x = 512,357.28

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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.