Home / 831,852.23-1,147,949.57-449,879.02

Finding the Fourth Proportional to 831,852.23, 1,147,949.57 and 449,879.02

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Solution

The fourth proportional to 831,852.23, 1,147,949.57 and 449,879.02 is: 620,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,852.23 : 1,147,949.57 = 449,879.02 : x
  2. Step 2: Convert to fraction form
    831,852.23/1,147,949.57 = 449,879.02/x
  3. Step 3: Cross multiply
    831,852.23x = 1,147,949.57 × 449,879.02
  4. Step 4: Simplify right side
    831,852.23x = 516,438,427,561.02
  5. Step 5: Solve for x
    x = 516,438,427,561.02/831,852.23
  6. Step 6: Final answer
    x = 620,829.53

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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.