Home / 813,628.50-1,122,807.27-451,051.44

Finding the Fourth Proportional to 813,628.50, 1,122,807.27 and 451,051.44

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Solution

The fourth proportional to 813,628.50, 1,122,807.27 and 451,051.44 is: 622,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,628.50 : 1,122,807.27 = 451,051.44 : x
  2. Step 2: Convert to fraction form
    813,628.50/1,122,807.27 = 451,051.44/x
  3. Step 3: Cross multiply
    813,628.50x = 1,122,807.27 × 451,051.44
  4. Step 4: Simplify right side
    813,628.50x = 506,443,835,975.97
  5. Step 5: Solve for x
    x = 506,443,835,975.97/813,628.50
  6. Step 6: Final answer
    x = 622,450.95

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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.