Home / 695,971.20-1,043,956.80-518,824.20

Finding the Fourth Proportional to 695,971.20, 1,043,956.80 and 518,824.20

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Solution

The fourth proportional to 695,971.20, 1,043,956.80 and 518,824.20 is: 778,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,971.20 : 1,043,956.80 = 518,824.20 : x
  2. Step 2: Convert to fraction form
    695,971.20/1,043,956.80 = 518,824.20/x
  3. Step 3: Cross multiply
    695,971.20x = 1,043,956.80 × 518,824.20
  4. Step 4: Simplify right side
    695,971.20x = 541,630,051,594.56
  5. Step 5: Solve for x
    x = 541,630,051,594.56/695,971.20
  6. Step 6: Final answer
    x = 778,236.30

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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.