Home / 772,150.40-1,158,398.40-298,793.60

Finding the Fourth Proportional to 772,150.40, 1,158,398.40 and 298,793.60

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Solution

The fourth proportional to 772,150.40, 1,158,398.40 and 298,793.60 is: 448,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,150.40 : 1,158,398.40 = 298,793.60 : x
  2. Step 2: Convert to fraction form
    772,150.40/1,158,398.40 = 298,793.60/x
  3. Step 3: Cross multiply
    772,150.40x = 1,158,398.40 × 298,793.60
  4. Step 4: Simplify right side
    772,150.40x = 346,122,028,170.24
  5. Step 5: Solve for x
    x = 346,122,028,170.24/772,150.40
  6. Step 6: Final answer
    x = 448,257.27

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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.