Home / 772,822.80-1,159,176.60-323,427.60

Finding the Fourth Proportional to 772,822.80, 1,159,176.60 and 323,427.60

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Solution

The fourth proportional to 772,822.80, 1,159,176.60 and 323,427.60 is: 485,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,822.80 : 1,159,176.60 = 323,427.60 : x
  2. Step 2: Convert to fraction form
    772,822.80/1,159,176.60 = 323,427.60/x
  3. Step 3: Cross multiply
    772,822.80x = 1,159,176.60 × 323,427.60
  4. Step 4: Simplify right side
    772,822.80x = 374,909,705,714.16
  5. Step 5: Solve for x
    x = 374,909,705,714.16/772,822.80
  6. Step 6: Final answer
    x = 485,117.29

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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.