Home / 648,361.19-894,701.97-361,899.70

Finding the Fourth Proportional to 648,361.19, 894,701.97 and 361,899.70

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Solution

The fourth proportional to 648,361.19, 894,701.97 and 361,899.70 is: 499,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,361.19 : 894,701.97 = 361,899.70 : x
  2. Step 2: Convert to fraction form
    648,361.19/894,701.97 = 361,899.70/x
  3. Step 3: Cross multiply
    648,361.19x = 894,701.97 × 361,899.70
  4. Step 4: Simplify right side
    648,361.19x = 323,792,372,295.65
  5. Step 5: Solve for x
    x = 323,792,372,295.65/648,361.19
  6. Step 6: Final answer
    x = 499,401.22

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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.