Home / 813,828.24-1,123,071.36-451,252.80

Finding the Fourth Proportional to 813,828.24, 1,123,071.36 and 451,252.80

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Solution

The fourth proportional to 813,828.24, 1,123,071.36 and 451,252.80 is: 622,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,828.24 : 1,123,071.36 = 451,252.80 : x
  2. Step 2: Convert to fraction form
    813,828.24/1,123,071.36 = 451,252.80/x
  3. Step 3: Cross multiply
    813,828.24x = 1,123,071.36 × 451,252.80
  4. Step 4: Simplify right side
    813,828.24x = 506,789,095,799.81
  5. Step 5: Solve for x
    x = 506,789,095,799.81/813,828.24
  6. Step 6: Final answer
    x = 622,722.43

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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.