Home / 863,004.65-1,297,344.86-800,578.41

Finding the Fourth Proportional to 863,004.65, 1,297,344.86 and 800,578.41

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Solution

The fourth proportional to 863,004.65, 1,297,344.86 and 800,578.41 is: 1,203,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,004.65 : 1,297,344.86 = 800,578.41 : x
  2. Step 2: Convert to fraction form
    863,004.65/1,297,344.86 = 800,578.41/x
  3. Step 3: Cross multiply
    863,004.65x = 1,297,344.86 × 800,578.41
  4. Step 4: Simplify right side
    863,004.65x = 1,038,626,284,929.99
  5. Step 5: Solve for x
    x = 1,038,626,284,929.99/863,004.65
  6. Step 6: Final answer
    x = 1,203,500.21

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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.