Home / 750,900.96-1,036,317.69-428,659.56

Finding the Fourth Proportional to 750,900.96, 1,036,317.69 and 428,659.56

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Solution

The fourth proportional to 750,900.96, 1,036,317.69 and 428,659.56 is: 591,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,900.96 : 1,036,317.69 = 428,659.56 : x
  2. Step 2: Convert to fraction form
    750,900.96/1,036,317.69 = 428,659.56/x
  3. Step 3: Cross multiply
    750,900.96x = 1,036,317.69 × 428,659.56
  4. Step 4: Simplify right side
    750,900.96x = 444,227,485,015.62
  5. Step 5: Solve for x
    x = 444,227,485,015.62/750,900.96
  6. Step 6: Final answer
    x = 591,592.64

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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.