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Finding the Fourth Proportional to 437,880.33, 655,540.29 and 395,856.72

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Solution

The fourth proportional to 437,880.33, 655,540.29 and 395,856.72 is: 592,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,880.33 : 655,540.29 = 395,856.72 : x
  2. Step 2: Convert to fraction form
    437,880.33/655,540.29 = 395,856.72/x
  3. Step 3: Cross multiply
    437,880.33x = 655,540.29 × 395,856.72
  4. Step 4: Simplify right side
    437,880.33x = 259,500,029,027.25
  5. Step 5: Solve for x
    x = 259,500,029,027.25/437,880.33
  6. Step 6: Final answer
    x = 592,627.74

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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.