Home / 875,936.40-1,314,250.20-343,366.80

Finding the Fourth Proportional to 875,936.40, 1,314,250.20 and 343,366.80

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Solution

The fourth proportional to 875,936.40, 1,314,250.20 and 343,366.80 is: 515,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,936.40 : 1,314,250.20 = 343,366.80 : x
  2. Step 2: Convert to fraction form
    875,936.40/1,314,250.20 = 343,366.80/x
  3. Step 3: Cross multiply
    875,936.40x = 1,314,250.20 × 343,366.80
  4. Step 4: Simplify right side
    875,936.40x = 451,269,885,573.36
  5. Step 5: Solve for x
    x = 451,269,885,573.36/875,936.40
  6. Step 6: Final answer
    x = 515,185.68

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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.