Home / 538,822.27-743,548.06-306,218.93

Finding the Fourth Proportional to 538,822.27, 743,548.06 and 306,218.93

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Solution

The fourth proportional to 538,822.27, 743,548.06 and 306,218.93 is: 422,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,822.27 : 743,548.06 = 306,218.93 : x
  2. Step 2: Convert to fraction form
    538,822.27/743,548.06 = 306,218.93/x
  3. Step 3: Cross multiply
    538,822.27x = 743,548.06 × 306,218.93
  4. Step 4: Simplify right side
    538,822.27x = 227,688,491,336.78
  5. Step 5: Solve for x
    x = 227,688,491,336.78/538,822.27
  6. Step 6: Final answer
    x = 422,566.97

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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.