Home / 758,664.60-1,138,161.30-403,627.32

Finding the Fourth Proportional to 758,664.60, 1,138,161.30 and 403,627.32

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Solution

The fourth proportional to 758,664.60, 1,138,161.30 and 403,627.32 is: 605,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,664.60 : 1,138,161.30 = 403,627.32 : x
  2. Step 2: Convert to fraction form
    758,664.60/1,138,161.30 = 403,627.32/x
  3. Step 3: Cross multiply
    758,664.60x = 1,138,161.30 × 403,627.32
  4. Step 4: Simplify right side
    758,664.60x = 459,392,995,246.72
  5. Step 5: Solve for x
    x = 459,392,995,246.72/758,664.60
  6. Step 6: Final answer
    x = 605,528.44

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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.