Home / 428,698.36-591,633.48-237,729.52

Finding the Fourth Proportional to 428,698.36, 591,633.48 and 237,729.52

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Solution

The fourth proportional to 428,698.36, 591,633.48 and 237,729.52 is: 328,083.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,698.36 : 591,633.48 = 237,729.52 : x
  2. Step 2: Convert to fraction form
    428,698.36/591,633.48 = 237,729.52/x
  3. Step 3: Cross multiply
    428,698.36x = 591,633.48 × 237,729.52
  4. Step 4: Simplify right side
    428,698.36x = 140,648,743,216.33
  5. Step 5: Solve for x
    x = 140,648,743,216.33/428,698.36
  6. Step 6: Final answer
    x = 328,083.23

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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.