Home / 554,401.75-764,929.83-324,835.69

Finding the Fourth Proportional to 554,401.75, 764,929.83 and 324,835.69

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Solution

The fourth proportional to 554,401.75, 764,929.83 and 324,835.69 is: 448,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,401.75 : 764,929.83 = 324,835.69 : x
  2. Step 2: Convert to fraction form
    554,401.75/764,929.83 = 324,835.69/x
  3. Step 3: Cross multiply
    554,401.75x = 764,929.83 × 324,835.69
  4. Step 4: Simplify right side
    554,401.75x = 248,476,507,217.31
  5. Step 5: Solve for x
    x = 248,476,507,217.31/554,401.75
  6. Step 6: Final answer
    x = 448,188.54

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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.