Home / 830,190.82-1,244,454.75-324,055.84

Finding the Fourth Proportional to 830,190.82, 1,244,454.75 and 324,055.84

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Solution

The fourth proportional to 830,190.82, 1,244,454.75 and 324,055.84 is: 485,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,190.82 : 1,244,454.75 = 324,055.84 : x
  2. Step 2: Convert to fraction form
    830,190.82/1,244,454.75 = 324,055.84/x
  3. Step 3: Cross multiply
    830,190.82x = 1,244,454.75 × 324,055.84
  4. Step 4: Simplify right side
    830,190.82x = 403,272,829,353.24
  5. Step 5: Solve for x
    x = 403,272,829,353.24/830,190.82
  6. Step 6: Final answer
    x = 485,759.20

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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.