Home / 697,077.26-1,045,626.22-270,637.78

Finding the Fourth Proportional to 697,077.26, 1,045,626.22 and 270,637.78

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Solution

The fourth proportional to 697,077.26, 1,045,626.22 and 270,637.78 is: 405,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,077.26 : 1,045,626.22 = 270,637.78 : x
  2. Step 2: Convert to fraction form
    697,077.26/1,045,626.22 = 270,637.78/x
  3. Step 3: Cross multiply
    697,077.26x = 1,045,626.22 × 270,637.78
  4. Step 4: Simplify right side
    697,077.26x = 282,985,958,890.59
  5. Step 5: Solve for x
    x = 282,985,958,890.59/697,077.26
  6. Step 6: Final answer
    x = 405,960.68

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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.