Home / 762,691.80-1,143,845.76-313,537.92

Finding the Fourth Proportional to 762,691.80, 1,143,845.76 and 313,537.92

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Solution

The fourth proportional to 762,691.80, 1,143,845.76 and 313,537.92 is: 470,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,691.80 : 1,143,845.76 = 313,537.92 : x
  2. Step 2: Convert to fraction form
    762,691.80/1,143,845.76 = 313,537.92/x
  3. Step 3: Cross multiply
    762,691.80x = 1,143,845.76 × 313,537.92
  4. Step 4: Simplify right side
    762,691.80x = 358,639,020,391.22
  5. Step 5: Solve for x
    x = 358,639,020,391.22/762,691.80
  6. Step 6: Final answer
    x = 470,227.97

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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.