Home / 857,035.92-1,285,369.35-351,100.80

Finding the Fourth Proportional to 857,035.92, 1,285,369.35 and 351,100.80

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Solution

The fourth proportional to 857,035.92, 1,285,369.35 and 351,100.80 is: 526,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,035.92 : 1,285,369.35 = 351,100.80 : x
  2. Step 2: Convert to fraction form
    857,035.92/1,285,369.35 = 351,100.80/x
  3. Step 3: Cross multiply
    857,035.92x = 1,285,369.35 × 351,100.80
  4. Step 4: Simplify right side
    857,035.92x = 451,294,207,080.48
  5. Step 5: Solve for x
    x = 451,294,207,080.48/857,035.92
  6. Step 6: Final answer
    x = 526,575.60

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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.