Home / 831,590.28-1,247,374.49-200,499.03

Finding the Fourth Proportional to 831,590.28, 1,247,374.49 and 200,499.03

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Solution

The fourth proportional to 831,590.28, 1,247,374.49 and 200,499.03 is: 300,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,590.28 : 1,247,374.49 = 200,499.03 : x
  2. Step 2: Convert to fraction form
    831,590.28/1,247,374.49 = 200,499.03/x
  3. Step 3: Cross multiply
    831,590.28x = 1,247,374.49 × 200,499.03
  4. Step 4: Simplify right side
    831,590.28x = 250,097,374,289.25
  5. Step 5: Solve for x
    x = 250,097,374,289.25/831,590.28
  6. Step 6: Final answer
    x = 300,745.91

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1.5x scale

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.