Home / 892,361.28-1,231,107.36-510,182.72

Finding the Fourth Proportional to 892,361.28, 1,231,107.36 and 510,182.72

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Solution

The fourth proportional to 892,361.28, 1,231,107.36 and 510,182.72 is: 703,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,361.28 : 1,231,107.36 = 510,182.72 : x
  2. Step 2: Convert to fraction form
    892,361.28/1,231,107.36 = 510,182.72/x
  3. Step 3: Cross multiply
    892,361.28x = 1,231,107.36 × 510,182.72
  4. Step 4: Simplify right side
    892,361.28x = 628,089,701,536.82
  5. Step 5: Solve for x
    x = 628,089,701,536.82/892,361.28
  6. Step 6: Final answer
    x = 703,851.36

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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.