Home / 751,210.28-1,036,769.46-428,847.56

Finding the Fourth Proportional to 751,210.28, 1,036,769.46 and 428,847.56

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Solution

The fourth proportional to 751,210.28, 1,036,769.46 and 428,847.56 is: 591,866.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,210.28 : 1,036,769.46 = 428,847.56 : x
  2. Step 2: Convert to fraction form
    751,210.28/1,036,769.46 = 428,847.56/x
  3. Step 3: Cross multiply
    751,210.28x = 1,036,769.46 × 428,847.56
  4. Step 4: Simplify right side
    751,210.28x = 444,616,053,203.52
  5. Step 5: Solve for x
    x = 444,616,053,203.52/751,210.28
  6. Step 6: Final answer
    x = 591,866.31

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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.