Home / 428,792.58-591,735.51-237,823.74

Finding the Fourth Proportional to 428,792.58, 591,735.51 and 237,823.74

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Solution

The fourth proportional to 428,792.58, 591,735.51 and 237,823.74 is: 328,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,792.58 : 591,735.51 = 237,823.74 : x
  2. Step 2: Convert to fraction form
    428,792.58/591,735.51 = 237,823.74/x
  3. Step 3: Cross multiply
    428,792.58x = 591,735.51 × 237,823.74
  4. Step 4: Simplify right side
    428,792.58x = 140,728,752,079.01
  5. Step 5: Solve for x
    x = 140,728,752,079.01/428,792.58
  6. Step 6: Final answer
    x = 328,197.73

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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.