Home / 813,241.44-1,122,297.78-450,631.38

Finding the Fourth Proportional to 813,241.44, 1,122,297.78 and 450,631.38

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Solution

The fourth proportional to 813,241.44, 1,122,297.78 and 450,631.38 is: 621,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,241.44 : 1,122,297.78 = 450,631.38 : x
  2. Step 2: Convert to fraction form
    813,241.44/1,122,297.78 = 450,631.38/x
  3. Step 3: Cross multiply
    813,241.44x = 1,122,297.78 × 450,631.38
  4. Step 4: Simplify right side
    813,241.44x = 505,742,597,372.34
  5. Step 5: Solve for x
    x = 505,742,597,372.34/813,241.44
  6. Step 6: Final answer
    x = 621,884.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.