Home / 403,226.20-604,839.30-261,508.60

Finding the Fourth Proportional to 403,226.20, 604,839.30 and 261,508.60

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Solution

The fourth proportional to 403,226.20, 604,839.30 and 261,508.60 is: 392,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,226.20 : 604,839.30 = 261,508.60 : x
  2. Step 2: Convert to fraction form
    403,226.20/604,839.30 = 261,508.60/x
  3. Step 3: Cross multiply
    403,226.20x = 604,839.30 × 261,508.60
  4. Step 4: Simplify right side
    403,226.20x = 158,170,678,567.98
  5. Step 5: Solve for x
    x = 158,170,678,567.98/403,226.20
  6. Step 6: Final answer
    x = 392,262.90

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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.