Home / 744.03-1,113.36-450.45

Finding the Fourth Proportional to 744.03, 1,113.36 and 450.45

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Solution

The fourth proportional to 744.03, 1,113.36 and 450.45 is: 674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.03 : 1,113.36 = 450.45 : x
  2. Step 2: Convert to fraction form
    744.03/1,113.36 = 450.45/x
  3. Step 3: Cross multiply
    744.03x = 1,113.36 × 450.45
  4. Step 4: Simplify right side
    744.03x = 501,513.01
  5. Step 5: Solve for x
    x = 501,513.01/744.03
  6. Step 6: Final answer
    x = 674.05

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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.