Home / 721,961.04-1,082,742.30-401,719.44

Finding the Fourth Proportional to 721,961.04, 1,082,742.30 and 401,719.44

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Solution

The fourth proportional to 721,961.04, 1,082,742.30 and 401,719.44 is: 602,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,961.04 : 1,082,742.30 = 401,719.44 : x
  2. Step 2: Convert to fraction form
    721,961.04/1,082,742.30 = 401,719.44/x
  3. Step 3: Cross multiply
    721,961.04x = 1,082,742.30 × 401,719.44
  4. Step 4: Simplify right side
    721,961.04x = 434,958,630,420.31
  5. Step 5: Solve for x
    x = 434,958,630,420.31/721,961.04
  6. Step 6: Final answer
    x = 602,468.29

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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.