Home / 856,717.50-1,285,067.02-351,165.80

Finding the Fourth Proportional to 856,717.50, 1,285,067.02 and 351,165.80

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Solution

The fourth proportional to 856,717.50, 1,285,067.02 and 351,165.80 is: 526,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,717.50 : 1,285,067.02 = 351,165.80 : x
  2. Step 2: Convert to fraction form
    856,717.50/1,285,067.02 = 351,165.80/x
  3. Step 3: Cross multiply
    856,717.50x = 1,285,067.02 × 351,165.80
  4. Step 4: Simplify right side
    856,717.50x = 451,271,580,828.67
  5. Step 5: Solve for x
    x = 451,271,580,828.67/856,717.50
  6. Step 6: Final answer
    x = 526,744.91

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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.