Home / 762,039.92-1,143,584.76-263,403.92

Finding the Fourth Proportional to 762,039.92, 1,143,584.76 and 263,403.92

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Solution

The fourth proportional to 762,039.92, 1,143,584.76 and 263,403.92 is: 395,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,039.92 : 1,143,584.76 = 263,403.92 : x
  2. Step 2: Convert to fraction form
    762,039.92/1,143,584.76 = 263,403.92/x
  3. Step 3: Cross multiply
    762,039.92x = 1,143,584.76 × 263,403.92
  4. Step 4: Simplify right side
    762,039.92x = 301,224,708,636.26
  5. Step 5: Solve for x
    x = 301,224,708,636.26/762,039.92
  6. Step 6: Final answer
    x = 395,287.31

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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.