Home / 751,198.28-1,036,752.90-428,835.56

Finding the Fourth Proportional to 751,198.28, 1,036,752.90 and 428,835.56

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Solution

The fourth proportional to 751,198.28, 1,036,752.90 and 428,835.56 is: 591,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,198.28 : 1,036,752.90 = 428,835.56 : x
  2. Step 2: Convert to fraction form
    751,198.28/1,036,752.90 = 428,835.56/x
  3. Step 3: Cross multiply
    751,198.28x = 1,036,752.90 × 428,835.56
  4. Step 4: Simplify right side
    751,198.28x = 444,596,510,453.12
  5. Step 5: Solve for x
    x = 444,596,510,453.12/751,198.28
  6. Step 6: Final answer
    x = 591,849.74

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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.