Home / 963,605.97-1,444,960.22-431,131.41

Finding the Fourth Proportional to 963,605.97, 1,444,960.22 and 431,131.41

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Solution

The fourth proportional to 963,605.97, 1,444,960.22 and 431,131.41 is: 646,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,605.97 : 1,444,960.22 = 431,131.41 : x
  2. Step 2: Convert to fraction form
    963,605.97/1,444,960.22 = 431,131.41/x
  3. Step 3: Cross multiply
    963,605.97x = 1,444,960.22 × 431,131.41
  4. Step 4: Simplify right side
    963,605.97x = 622,967,734,886.85
  5. Step 5: Solve for x
    x = 622,967,734,886.85/963,605.97
  6. Step 6: Final answer
    x = 646,496.34

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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.