Home / 849,619.90-1,274,433.19-344,190.43

Finding the Fourth Proportional to 849,619.90, 1,274,433.19 and 344,190.43

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Solution

The fourth proportional to 849,619.90, 1,274,433.19 and 344,190.43 is: 516,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,619.90 : 1,274,433.19 = 344,190.43 : x
  2. Step 2: Convert to fraction form
    849,619.90/1,274,433.19 = 344,190.43/x
  3. Step 3: Cross multiply
    849,619.90x = 1,274,433.19 × 344,190.43
  4. Step 4: Simplify right side
    849,619.90x = 438,647,703,625.81
  5. Step 5: Solve for x
    x = 438,647,703,625.81/849,619.90
  6. Step 6: Final answer
    x = 516,286.99

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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.