Home / 787,260.76-1,086,388.50-465,074.32

Finding the Fourth Proportional to 787,260.76, 1,086,388.50 and 465,074.32

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Solution

The fourth proportional to 787,260.76, 1,086,388.50 and 465,074.32 is: 641,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,260.76 : 1,086,388.50 = 465,074.32 : x
  2. Step 2: Convert to fraction form
    787,260.76/1,086,388.50 = 465,074.32/x
  3. Step 3: Cross multiply
    787,260.76x = 1,086,388.50 × 465,074.32
  4. Step 4: Simplify right side
    787,260.76x = 505,251,392,893.32
  5. Step 5: Solve for x
    x = 505,251,392,893.32/787,260.76
  6. Step 6: Final answer
    x = 641,784.04

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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.