Home / 857,034.42-1,285,367.10-351,099.30

Finding the Fourth Proportional to 857,034.42, 1,285,367.10 and 351,099.30

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Solution

The fourth proportional to 857,034.42, 1,285,367.10 and 351,099.30 is: 526,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,034.42 : 1,285,367.10 = 351,099.30 : x
  2. Step 2: Convert to fraction form
    857,034.42/1,285,367.10 = 351,099.30/x
  3. Step 3: Cross multiply
    857,034.42x = 1,285,367.10 × 351,099.30
  4. Step 4: Simplify right side
    857,034.42x = 451,291,489,053.03
  5. Step 5: Solve for x
    x = 451,291,489,053.03/857,034.42
  6. Step 6: Final answer
    x = 526,573.35

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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.