Home / 455,051.40-682,577.10-329,080.20

Finding the Fourth Proportional to 455,051.40, 682,577.10 and 329,080.20

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Solution

The fourth proportional to 455,051.40, 682,577.10 and 329,080.20 is: 493,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,051.40 : 682,577.10 = 329,080.20 : x
  2. Step 2: Convert to fraction form
    455,051.40/682,577.10 = 329,080.20/x
  3. Step 3: Cross multiply
    455,051.40x = 682,577.10 × 329,080.20
  4. Step 4: Simplify right side
    455,051.40x = 224,622,608,583.42
  5. Step 5: Solve for x
    x = 224,622,608,583.42/455,051.40
  6. Step 6: Final answer
    x = 493,620.30

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Similar ratio
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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.