Home / 865,926.80-1,296,265.80-629,730.80

Finding the Fourth Proportional to 865,926.80, 1,296,265.80 and 629,730.80

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Solution

The fourth proportional to 865,926.80, 1,296,265.80 and 629,730.80 is: 942,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,926.80 : 1,296,265.80 = 629,730.80 : x
  2. Step 2: Convert to fraction form
    865,926.80/1,296,265.80 = 629,730.80/x
  3. Step 3: Cross multiply
    865,926.80x = 1,296,265.80 × 629,730.80
  4. Step 4: Simplify right side
    865,926.80x = 816,298,499,246.64
  5. Step 5: Solve for x
    x = 816,298,499,246.64/865,926.80
  6. Step 6: Final answer
    x = 942,687.65

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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.