Home / 628,689.48-942,505.24-273,435.94

Finding the Fourth Proportional to 628,689.48, 942,505.24 and 273,435.94

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Solution

The fourth proportional to 628,689.48, 942,505.24 and 273,435.94 is: 409,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,689.48 : 942,505.24 = 273,435.94 : x
  2. Step 2: Convert to fraction form
    628,689.48/942,505.24 = 273,435.94/x
  3. Step 3: Cross multiply
    628,689.48x = 942,505.24 × 273,435.94
  4. Step 4: Simplify right side
    628,689.48x = 257,714,801,541.80
  5. Step 5: Solve for x
    x = 257,714,801,541.80/628,689.48
  6. Step 6: Final answer
    x = 409,923.83

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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.