Home / 813,234.30-1,122,212.60-450,637

Finding the Fourth Proportional to 813,234.30, 1,122,212.60 and 450,637

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Solution

The fourth proportional to 813,234.30, 1,122,212.60 and 450,637 is: 621,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,234.30 : 1,122,212.60 = 450,637 : x
  2. Step 2: Convert to fraction form
    813,234.30/1,122,212.60 = 450,637/x
  3. Step 3: Cross multiply
    813,234.30x = 1,122,212.60 × 450,637
  4. Step 4: Simplify right side
    813,234.30x = 505,710,519,426.20
  5. Step 5: Solve for x
    x = 505,710,519,426.20/813,234.30
  6. Step 6: Final answer
    x = 621,850.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.