Home / 850,690.28-1,173,979.17-488,180.45

Finding the Fourth Proportional to 850,690.28, 1,173,979.17 and 488,180.45

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Solution

The fourth proportional to 850,690.28, 1,173,979.17 and 488,180.45 is: 673,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,690.28 : 1,173,979.17 = 488,180.45 : x
  2. Step 2: Convert to fraction form
    850,690.28/1,173,979.17 = 488,180.45/x
  3. Step 3: Cross multiply
    850,690.28x = 1,173,979.17 × 488,180.45
  4. Step 4: Simplify right side
    850,690.28x = 573,113,673,631.33
  5. Step 5: Solve for x
    x = 573,113,673,631.33/850,690.28
  6. Step 6: Final answer
    x = 673,704.27

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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.