Home / 403,825.70-605,082.45-347,401.10

Finding the Fourth Proportional to 403,825.70, 605,082.45 and 347,401.10

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Solution

The fourth proportional to 403,825.70, 605,082.45 and 347,401.10 is: 520,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,825.70 : 605,082.45 = 347,401.10 : x
  2. Step 2: Convert to fraction form
    403,825.70/605,082.45 = 347,401.10/x
  3. Step 3: Cross multiply
    403,825.70x = 605,082.45 × 347,401.10
  4. Step 4: Simplify right side
    403,825.70x = 210,206,308,720.70
  5. Step 5: Solve for x
    x = 210,206,308,720.70/403,825.70
  6. Step 6: Final answer
    x = 520,537.22

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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.