Home / 925,805.70-1,388,708.55-453,413.70

Finding the Fourth Proportional to 925,805.70, 1,388,708.55 and 453,413.70

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Solution

The fourth proportional to 925,805.70, 1,388,708.55 and 453,413.70 is: 680,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,805.70 : 1,388,708.55 = 453,413.70 : x
  2. Step 2: Convert to fraction form
    925,805.70/1,388,708.55 = 453,413.70/x
  3. Step 3: Cross multiply
    925,805.70x = 1,388,708.55 × 453,413.70
  4. Step 4: Simplify right side
    925,805.70x = 629,659,481,877.14
  5. Step 5: Solve for x
    x = 629,659,481,877.14/925,805.70
  6. Step 6: Final answer
    x = 680,120.55

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Similar ratio
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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.