Home / 439,255.64-658,894.26-123,710.42

Finding the Fourth Proportional to 439,255.64, 658,894.26 and 123,710.42

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Solution

The fourth proportional to 439,255.64, 658,894.26 and 123,710.42 is: 185,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,255.64 : 658,894.26 = 123,710.42 : x
  2. Step 2: Convert to fraction form
    439,255.64/658,894.26 = 123,710.42/x
  3. Step 3: Cross multiply
    439,255.64x = 658,894.26 × 123,710.42
  4. Step 4: Simplify right side
    439,255.64x = 81,512,085,640.19
  5. Step 5: Solve for x
    x = 81,512,085,640.19/439,255.64
  6. Step 6: Final answer
    x = 185,568.67

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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.