Home / 772,820.80-1,159,173.60-323,425.60

Finding the Fourth Proportional to 772,820.80, 1,159,173.60 and 323,425.60

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Solution

The fourth proportional to 772,820.80, 1,159,173.60 and 323,425.60 is: 485,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,820.80 : 1,159,173.60 = 323,425.60 : x
  2. Step 2: Convert to fraction form
    772,820.80/1,159,173.60 = 323,425.60/x
  3. Step 3: Cross multiply
    772,820.80x = 1,159,173.60 × 323,425.60
  4. Step 4: Simplify right side
    772,820.80x = 374,906,417,084.16
  5. Step 5: Solve for x
    x = 374,906,417,084.16/772,820.80
  6. Step 6: Final answer
    x = 485,114.29

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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.