Home / 895,753.25-1,236,121.03-487,862.26

Finding the Fourth Proportional to 895,753.25, 1,236,121.03 and 487,862.26

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Solution

The fourth proportional to 895,753.25, 1,236,121.03 and 487,862.26 is: 673,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,753.25 : 1,236,121.03 = 487,862.26 : x
  2. Step 2: Convert to fraction form
    895,753.25/1,236,121.03 = 487,862.26/x
  3. Step 3: Cross multiply
    895,753.25x = 1,236,121.03 × 487,862.26
  4. Step 4: Simplify right side
    895,753.25x = 603,056,790,709.41
  5. Step 5: Solve for x
    x = 603,056,790,709.41/895,753.25
  6. Step 6: Final answer
    x = 673,239.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.