Home / 751,069.02-1,036,571.79-428,705.34

Finding the Fourth Proportional to 751,069.02, 1,036,571.79 and 428,705.34

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Solution

The fourth proportional to 751,069.02, 1,036,571.79 and 428,705.34 is: 591,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,069.02 : 1,036,571.79 = 428,705.34 : x
  2. Step 2: Convert to fraction form
    751,069.02/1,036,571.79 = 428,705.34/x
  3. Step 3: Cross multiply
    751,069.02x = 1,036,571.79 × 428,705.34
  4. Step 4: Simplify right side
    751,069.02x = 444,383,861,666.36
  5. Step 5: Solve for x
    x = 444,383,861,666.36/751,069.02
  6. Step 6: Final answer
    x = 591,668.47

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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.