Home / 748,334.21-1,122,944.18-275,351.72

Finding the Fourth Proportional to 748,334.21, 1,122,944.18 and 275,351.72

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Solution

The fourth proportional to 748,334.21, 1,122,944.18 and 275,351.72 is: 413,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,334.21 : 1,122,944.18 = 275,351.72 : x
  2. Step 2: Convert to fraction form
    748,334.21/1,122,944.18 = 275,351.72/x
  3. Step 3: Cross multiply
    748,334.21x = 1,122,944.18 × 275,351.72
  4. Step 4: Simplify right side
    748,334.21x = 309,204,604,435.51
  5. Step 5: Solve for x
    x = 309,204,604,435.51/748,334.21
  6. Step 6: Final answer
    x = 413,190.53

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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.