Home / 762,545.88-1,143,446.22-313,146.54

Finding the Fourth Proportional to 762,545.88, 1,143,446.22 and 313,146.54

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Solution

The fourth proportional to 762,545.88, 1,143,446.22 and 313,146.54 is: 469,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,545.88 : 1,143,446.22 = 313,146.54 : x
  2. Step 2: Convert to fraction form
    762,545.88/1,143,446.22 = 313,146.54/x
  3. Step 3: Cross multiply
    762,545.88x = 1,143,446.22 × 313,146.54
  4. Step 4: Simplify right side
    762,545.88x = 358,066,227,469.08
  5. Step 5: Solve for x
    x = 358,066,227,469.08/762,545.88
  6. Step 6: Final answer
    x = 469,566.80

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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.