Home / 455,719.55-682,670.91-275,709.20

Finding the Fourth Proportional to 455,719.55, 682,670.91 and 275,709.20

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Solution

The fourth proportional to 455,719.55, 682,670.91 and 275,709.20 is: 413,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,719.55 : 682,670.91 = 275,709.20 : x
  2. Step 2: Convert to fraction form
    455,719.55/682,670.91 = 275,709.20/x
  3. Step 3: Cross multiply
    455,719.55x = 682,670.91 × 275,709.20
  4. Step 4: Simplify right side
    455,719.55x = 188,218,650,459.37
  5. Step 5: Solve for x
    x = 188,218,650,459.37/455,719.55
  6. Step 6: Final answer
    x = 413,014.21

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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.