Home / 772,388.60-1,158,113.90-345,843.41

Finding the Fourth Proportional to 772,388.60, 1,158,113.90 and 345,843.41

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Solution

The fourth proportional to 772,388.60, 1,158,113.90 and 345,843.41 is: 518,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,388.60 : 1,158,113.90 = 345,843.41 : x
  2. Step 2: Convert to fraction form
    772,388.60/1,158,113.90 = 345,843.41/x
  3. Step 3: Cross multiply
    772,388.60x = 1,158,113.90 × 345,843.41
  4. Step 4: Simplify right side
    772,388.60x = 400,526,055,418.44
  5. Step 5: Solve for x
    x = 400,526,055,418.44/772,388.60
  6. Step 6: Final answer
    x = 518,555.11

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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.