Home / 762,453.72-1,143,734.04-313,197.48

Finding the Fourth Proportional to 762,453.72, 1,143,734.04 and 313,197.48

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Solution

The fourth proportional to 762,453.72, 1,143,734.04 and 313,197.48 is: 469,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,453.72 : 1,143,734.04 = 313,197.48 : x
  2. Step 2: Convert to fraction form
    762,453.72/1,143,734.04 = 313,197.48/x
  3. Step 3: Cross multiply
    762,453.72x = 1,143,734.04 × 313,197.48
  4. Step 4: Simplify right side
    762,453.72x = 358,214,619,118.22
  5. Step 5: Solve for x
    x = 358,214,619,118.22/762,453.72
  6. Step 6: Final answer
    x = 469,818.18

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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.