Home / 813,884.27-1,221,080.49-490,027.37

Finding the Fourth Proportional to 813,884.27, 1,221,080.49 and 490,027.37

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Solution

The fourth proportional to 813,884.27, 1,221,080.49 and 490,027.37 is: 735,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,884.27 : 1,221,080.49 = 490,027.37 : x
  2. Step 2: Convert to fraction form
    813,884.27/1,221,080.49 = 490,027.37/x
  3. Step 3: Cross multiply
    813,884.27x = 1,221,080.49 × 490,027.37
  4. Step 4: Simplify right side
    813,884.27x = 598,362,852,517.47
  5. Step 5: Solve for x
    x = 598,362,852,517.47/813,884.27
  6. Step 6: Final answer
    x = 735,194.03

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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.