Home / 802,817.34-1,201,716.40-518,127.34

Finding the Fourth Proportional to 802,817.34, 1,201,716.40 and 518,127.34

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Solution

The fourth proportional to 802,817.34, 1,201,716.40 and 518,127.34 is: 775,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,817.34 : 1,201,716.40 = 518,127.34 : x
  2. Step 2: Convert to fraction form
    802,817.34/1,201,716.40 = 518,127.34/x
  3. Step 3: Cross multiply
    802,817.34x = 1,201,716.40 × 518,127.34
  4. Step 4: Simplify right side
    802,817.34x = 622,642,121,766.38
  5. Step 5: Solve for x
    x = 622,642,121,766.38/802,817.34
  6. Step 6: Final answer
    x = 775,571.34

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1.5x scale

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.