Home / 538,131.97-742,474.38-374,605.26

Finding the Fourth Proportional to 538,131.97, 742,474.38 and 374,605.26

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Solution

The fourth proportional to 538,131.97, 742,474.38 and 374,605.26 is: 516,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,131.97 : 742,474.38 = 374,605.26 : x
  2. Step 2: Convert to fraction form
    538,131.97/742,474.38 = 374,605.26/x
  3. Step 3: Cross multiply
    538,131.97x = 742,474.38 × 374,605.26
  4. Step 4: Simplify right side
    538,131.97x = 278,134,808,163.24
  5. Step 5: Solve for x
    x = 278,134,808,163.24/538,131.97
  6. Step 6: Final answer
    x = 516,852.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.