Home / 403,372.20-605,058.30-262,367.40

Finding the Fourth Proportional to 403,372.20, 605,058.30 and 262,367.40

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Solution

The fourth proportional to 403,372.20, 605,058.30 and 262,367.40 is: 393,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,372.20 : 605,058.30 = 262,367.40 : x
  2. Step 2: Convert to fraction form
    403,372.20/605,058.30 = 262,367.40/x
  3. Step 3: Cross multiply
    403,372.20x = 605,058.30 × 262,367.40
  4. Step 4: Simplify right side
    403,372.20x = 158,747,573,019.42
  5. Step 5: Solve for x
    x = 158,747,573,019.42/403,372.20
  6. Step 6: Final answer
    x = 393,551.10

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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.