Home / 857,834.03-1,285,853.22-289,018.62

Finding the Fourth Proportional to 857,834.03, 1,285,853.22 and 289,018.62

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Solution

The fourth proportional to 857,834.03, 1,285,853.22 and 289,018.62 is: 433,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,834.03 : 1,285,853.22 = 289,018.62 : x
  2. Step 2: Convert to fraction form
    857,834.03/1,285,853.22 = 289,018.62/x
  3. Step 3: Cross multiply
    857,834.03x = 1,285,853.22 × 289,018.62
  4. Step 4: Simplify right side
    857,834.03x = 371,635,515,292.60
  5. Step 5: Solve for x
    x = 371,635,515,292.60/857,834.03
  6. Step 6: Final answer
    x = 433,225.43

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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.