Home / 831,692.56-1,147,732.32-449,719.24

Finding the Fourth Proportional to 831,692.56, 1,147,732.32 and 449,719.24

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Solution

The fourth proportional to 831,692.56, 1,147,732.32 and 449,719.24 is: 620,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,692.56 : 1,147,732.32 = 449,719.24 : x
  2. Step 2: Convert to fraction form
    831,692.56/1,147,732.32 = 449,719.24/x
  3. Step 3: Cross multiply
    831,692.56x = 1,147,732.32 × 449,719.24
  4. Step 4: Simplify right side
    831,692.56x = 516,157,306,673.84
  5. Step 5: Solve for x
    x = 516,157,306,673.84/831,692.56
  6. Step 6: Final answer
    x = 620,610.71

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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.