Home / 628,732.44-942,569.64-273,478.88

Finding the Fourth Proportional to 628,732.44, 942,569.64 and 273,478.88

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Solution

The fourth proportional to 628,732.44, 942,569.64 and 273,478.88 is: 409,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,732.44 : 942,569.64 = 273,478.88 : x
  2. Step 2: Convert to fraction form
    628,732.44/942,569.64 = 273,478.88/x
  3. Step 3: Cross multiply
    628,732.44x = 942,569.64 × 273,478.88
  4. Step 4: Simplify right side
    628,732.44x = 257,772,889,469.20
  5. Step 5: Solve for x
    x = 257,772,889,469.20/628,732.44
  6. Step 6: Final answer
    x = 409,988.21

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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.