Home / 770,198.60-1,062,792.26-425,979.83

Finding the Fourth Proportional to 770,198.60, 1,062,792.26 and 425,979.83

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Solution

The fourth proportional to 770,198.60, 1,062,792.26 and 425,979.83 is: 587,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,198.60 : 1,062,792.26 = 425,979.83 : x
  2. Step 2: Convert to fraction form
    770,198.60/1,062,792.26 = 425,979.83/x
  3. Step 3: Cross multiply
    770,198.60x = 1,062,792.26 × 425,979.83
  4. Step 4: Simplify right side
    770,198.60x = 452,728,060,393.68
  5. Step 5: Solve for x
    x = 452,728,060,393.68/770,198.60
  6. Step 6: Final answer
    x = 587,806.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.