Home / 786,941.62-1,180,785.88-407,791.48

Finding the Fourth Proportional to 786,941.62, 1,180,785.88 and 407,791.48

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Solution

The fourth proportional to 786,941.62, 1,180,785.88 and 407,791.48 is: 611,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,941.62 : 1,180,785.88 = 407,791.48 : x
  2. Step 2: Convert to fraction form
    786,941.62/1,180,785.88 = 407,791.48/x
  3. Step 3: Cross multiply
    786,941.62x = 1,180,785.88 × 407,791.48
  4. Step 4: Simplify right side
    786,941.62x = 481,514,421,568.30
  5. Step 5: Solve for x
    x = 481,514,421,568.30/786,941.62
  6. Step 6: Final answer
    x = 611,880.74

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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.