Home / 770,228.25-1,155,005.28-365,536.43

Finding the Fourth Proportional to 770,228.25, 1,155,005.28 and 365,536.43

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Solution

The fourth proportional to 770,228.25, 1,155,005.28 and 365,536.43 is: 548,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,228.25 : 1,155,005.28 = 365,536.43 : x
  2. Step 2: Convert to fraction form
    770,228.25/1,155,005.28 = 365,536.43/x
  3. Step 3: Cross multiply
    770,228.25x = 1,155,005.28 × 365,536.43
  4. Step 4: Simplify right side
    770,228.25x = 422,196,505,238.59
  5. Step 5: Solve for x
    x = 422,196,505,238.59/770,228.25
  6. Step 6: Final answer
    x = 548,144.67

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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.