Home / 804,485.35-1,207,171.28-489,163.69

Finding the Fourth Proportional to 804,485.35, 1,207,171.28 and 489,163.69

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Solution

The fourth proportional to 804,485.35, 1,207,171.28 and 489,163.69 is: 734,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,485.35 : 1,207,171.28 = 489,163.69 : x
  2. Step 2: Convert to fraction form
    804,485.35/1,207,171.28 = 489,163.69/x
  3. Step 3: Cross multiply
    804,485.35x = 1,207,171.28 × 489,163.69
  4. Step 4: Simplify right side
    804,485.35x = 590,504,357,786.82
  5. Step 5: Solve for x
    x = 590,504,357,786.82/804,485.35
  6. Step 6: Final answer
    x = 734,015.05

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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.