Home / 764,221.44-1,144,584-365,142.72

Finding the Fourth Proportional to 764,221.44, 1,144,584 and 365,142.72

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Solution

The fourth proportional to 764,221.44, 1,144,584 and 365,142.72 is: 546,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,221.44 : 1,144,584 = 365,142.72 : x
  2. Step 2: Convert to fraction form
    764,221.44/1,144,584 = 365,142.72/x
  3. Step 3: Cross multiply
    764,221.44x = 1,144,584 × 365,142.72
  4. Step 4: Simplify right side
    764,221.44x = 417,936,515,028.48
  5. Step 5: Solve for x
    x = 417,936,515,028.48/764,221.44
  6. Step 6: Final answer
    x = 546,878.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.