Home / 554,217.67-764,828.90-324,720.03

Finding the Fourth Proportional to 554,217.67, 764,828.90 and 324,720.03

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Solution

The fourth proportional to 554,217.67, 764,828.90 and 324,720.03 is: 448,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,217.67 : 764,828.90 = 324,720.03 : x
  2. Step 2: Convert to fraction form
    554,217.67/764,828.90 = 324,720.03/x
  3. Step 3: Cross multiply
    554,217.67x = 764,828.90 × 324,720.03
  4. Step 4: Simplify right side
    554,217.67x = 248,355,263,352.87
  5. Step 5: Solve for x
    x = 248,355,263,352.87/554,217.67
  6. Step 6: Final answer
    x = 448,118.63

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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.