Home / 856,717.25-1,285,066.64-351,165.55

Finding the Fourth Proportional to 856,717.25, 1,285,066.64 and 351,165.55

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Solution

The fourth proportional to 856,717.25, 1,285,066.64 and 351,165.55 is: 526,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,717.25 : 1,285,066.64 = 351,165.55 : x
  2. Step 2: Convert to fraction form
    856,717.25/1,285,066.64 = 351,165.55/x
  3. Step 3: Cross multiply
    856,717.25x = 1,285,066.64 × 351,165.55
  4. Step 4: Simplify right side
    856,717.25x = 451,271,126,996.92
  5. Step 5: Solve for x
    x = 451,271,126,996.92/856,717.25
  6. Step 6: Final answer
    x = 526,744.53

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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.