Home / 829,491.70-1,244,237.55-663,603.70

Finding the Fourth Proportional to 829,491.70, 1,244,237.55 and 663,603.70

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Solution

The fourth proportional to 829,491.70, 1,244,237.55 and 663,603.70 is: 995,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,491.70 : 1,244,237.55 = 663,603.70 : x
  2. Step 2: Convert to fraction form
    829,491.70/1,244,237.55 = 663,603.70/x
  3. Step 3: Cross multiply
    829,491.70x = 1,244,237.55 × 663,603.70
  4. Step 4: Simplify right side
    829,491.70x = 825,680,641,858.94
  5. Step 5: Solve for x
    x = 825,680,641,858.94/829,491.70
  6. Step 6: Final answer
    x = 995,405.55

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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.