Home / 772,145.80-1,158,161.10-322,750.60

Finding the Fourth Proportional to 772,145.80, 1,158,161.10 and 322,750.60

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Solution

The fourth proportional to 772,145.80, 1,158,161.10 and 322,750.60 is: 484,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,145.80 : 1,158,161.10 = 322,750.60 : x
  2. Step 2: Convert to fraction form
    772,145.80/1,158,161.10 = 322,750.60/x
  3. Step 3: Cross multiply
    772,145.80x = 1,158,161.10 × 322,750.60
  4. Step 4: Simplify right side
    772,145.80x = 373,797,189,921.66
  5. Step 5: Solve for x
    x = 373,797,189,921.66/772,145.80
  6. Step 6: Final answer
    x = 484,101.82

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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.