Home / 751,208.28-1,036,766.70-428,845.56

Finding the Fourth Proportional to 751,208.28, 1,036,766.70 and 428,845.56

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Solution

The fourth proportional to 751,208.28, 1,036,766.70 and 428,845.56 is: 591,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,208.28 : 1,036,766.70 = 428,845.56 : x
  2. Step 2: Convert to fraction form
    751,208.28/1,036,766.70 = 428,845.56/x
  3. Step 3: Cross multiply
    751,208.28x = 1,036,766.70 × 428,845.56
  4. Step 4: Simplify right side
    751,208.28x = 444,612,796,050.85
  5. Step 5: Solve for x
    x = 444,612,796,050.85/751,208.28
  6. Step 6: Final answer
    x = 591,863.55

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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.