Home / 538,871.08-743,660.05-293,869.25

Finding the Fourth Proportional to 538,871.08, 743,660.05 and 293,869.25

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Solution

The fourth proportional to 538,871.08, 743,660.05 and 293,869.25 is: 405,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,871.08 : 743,660.05 = 293,869.25 : x
  2. Step 2: Convert to fraction form
    538,871.08/743,660.05 = 293,869.25/x
  3. Step 3: Cross multiply
    538,871.08x = 743,660.05 × 293,869.25
  4. Step 4: Simplify right side
    538,871.08x = 218,538,821,148.46
  5. Step 5: Solve for x
    x = 218,538,821,148.46/538,871.08
  6. Step 6: Final answer
    x = 405,549.36

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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.