Home / 628,718.43-942,548.64-273,464.88

Finding the Fourth Proportional to 628,718.43, 942,548.64 and 273,464.88

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Solution

The fourth proportional to 628,718.43, 942,548.64 and 273,464.88 is: 409,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,718.43 : 942,548.64 = 273,464.88 : x
  2. Step 2: Convert to fraction form
    628,718.43/942,548.64 = 273,464.88/x
  3. Step 3: Cross multiply
    628,718.43x = 942,548.64 × 273,464.88
  4. Step 4: Simplify right side
    628,718.43x = 257,753,950,731.76
  5. Step 5: Solve for x
    x = 257,753,950,731.76/628,718.43
  6. Step 6: Final answer
    x = 409,967.23

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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.