Home / 675,921.60-1,014,004.80-320,932.80

Finding the Fourth Proportional to 675,921.60, 1,014,004.80 and 320,932.80

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Solution

The fourth proportional to 675,921.60, 1,014,004.80 and 320,932.80 is: 481,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,921.60 : 1,014,004.80 = 320,932.80 : x
  2. Step 2: Convert to fraction form
    675,921.60/1,014,004.80 = 320,932.80/x
  3. Step 3: Cross multiply
    675,921.60x = 1,014,004.80 × 320,932.80
  4. Step 4: Simplify right side
    675,921.60x = 325,427,399,677.44
  5. Step 5: Solve for x
    x = 325,427,399,677.44/675,921.60
  6. Step 6: Final answer
    x = 481,457.32

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1.5x scale

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.