Home / 695,422.40-1,042,874.40-274,611.20

Finding the Fourth Proportional to 695,422.40, 1,042,874.40 and 274,611.20

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Solution

The fourth proportional to 695,422.40, 1,042,874.40 and 274,611.20 is: 411,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,422.40 : 1,042,874.40 = 274,611.20 : x
  2. Step 2: Convert to fraction form
    695,422.40/1,042,874.40 = 274,611.20/x
  3. Step 3: Cross multiply
    695,422.40x = 1,042,874.40 × 274,611.20
  4. Step 4: Simplify right side
    695,422.40x = 286,384,990,433.28
  5. Step 5: Solve for x
    x = 286,384,990,433.28/695,422.40
  6. Step 6: Final answer
    x = 411,814.45

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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.