Home / 948,806.43-1,309,367.63-519,093.73

Finding the Fourth Proportional to 948,806.43, 1,309,367.63 and 519,093.73

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Solution

The fourth proportional to 948,806.43, 1,309,367.63 and 519,093.73 is: 716,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,806.43 : 1,309,367.63 = 519,093.73 : x
  2. Step 2: Convert to fraction form
    948,806.43/1,309,367.63 = 519,093.73/x
  3. Step 3: Cross multiply
    948,806.43x = 1,309,367.63 × 519,093.73
  4. Step 4: Simplify right side
    948,806.43x = 679,684,526,997.96
  5. Step 5: Solve for x
    x = 679,684,526,997.96/948,806.43
  6. Step 6: Final answer
    x = 716,357.42

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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.