Home / 809,735.70-1,214,603.55-544,314.90

Finding the Fourth Proportional to 809,735.70, 1,214,603.55 and 544,314.90

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Solution

The fourth proportional to 809,735.70, 1,214,603.55 and 544,314.90 is: 816,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,735.70 : 1,214,603.55 = 544,314.90 : x
  2. Step 2: Convert to fraction form
    809,735.70/1,214,603.55 = 544,314.90/x
  3. Step 3: Cross multiply
    809,735.70x = 1,214,603.55 × 544,314.90
  4. Step 4: Simplify right side
    809,735.70x = 661,126,809,857.90
  5. Step 5: Solve for x
    x = 661,126,809,857.90/809,735.70
  6. Step 6: Final answer
    x = 816,472.35

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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.