Home / 843,361.56-1,265,041.35-274,741.76

Finding the Fourth Proportional to 843,361.56, 1,265,041.35 and 274,741.76

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Solution

The fourth proportional to 843,361.56, 1,265,041.35 and 274,741.76 is: 412,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,361.56 : 1,265,041.35 = 274,741.76 : x
  2. Step 2: Convert to fraction form
    843,361.56/1,265,041.35 = 274,741.76/x
  3. Step 3: Cross multiply
    843,361.56x = 1,265,041.35 × 274,741.76
  4. Step 4: Simplify right side
    843,361.56x = 347,559,690,134.38
  5. Step 5: Solve for x
    x = 347,559,690,134.38/843,361.56
  6. Step 6: Final answer
    x = 412,112.32

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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.