Home / 654,899.43-903,759.84-368,419.52

Finding the Fourth Proportional to 654,899.43, 903,759.84 and 368,419.52

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Solution

The fourth proportional to 654,899.43, 903,759.84 and 368,419.52 is: 508,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,899.43 : 903,759.84 = 368,419.52 : x
  2. Step 2: Convert to fraction form
    654,899.43/903,759.84 = 368,419.52/x
  3. Step 3: Cross multiply
    654,899.43x = 903,759.84 × 368,419.52
  4. Step 4: Simplify right side
    654,899.43x = 332,962,763,310.85
  5. Step 5: Solve for x
    x = 332,962,763,310.85/654,899.43
  6. Step 6: Final answer
    x = 508,418.16

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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.