Home / 905,344.50-1,358,226.81-265,622.43

Finding the Fourth Proportional to 905,344.50, 1,358,226.81 and 265,622.43

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Solution

The fourth proportional to 905,344.50, 1,358,226.81 and 265,622.43 is: 398,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,344.50 : 1,358,226.81 = 265,622.43 : x
  2. Step 2: Convert to fraction form
    905,344.50/1,358,226.81 = 265,622.43/x
  3. Step 3: Cross multiply
    905,344.50x = 1,358,226.81 × 265,622.43
  4. Step 4: Simplify right side
    905,344.50x = 360,775,505,763.35
  5. Step 5: Solve for x
    x = 360,775,505,763.35/905,344.50
  6. Step 6: Final answer
    x = 398,495.28

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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.