Home / 762,773.26-1,143,716.84-289,200.28

Finding the Fourth Proportional to 762,773.26, 1,143,716.84 and 289,200.28

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Solution

The fourth proportional to 762,773.26, 1,143,716.84 and 289,200.28 is: 433,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,773.26 : 1,143,716.84 = 289,200.28 : x
  2. Step 2: Convert to fraction form
    762,773.26/1,143,716.84 = 289,200.28/x
  3. Step 3: Cross multiply
    762,773.26x = 1,143,716.84 × 289,200.28
  4. Step 4: Simplify right side
    762,773.26x = 330,763,230,368.72
  5. Step 5: Solve for x
    x = 330,763,230,368.72/762,773.26
  6. Step 6: Final answer
    x = 433,632.44

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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.