Home / 855,629.22-1,180,833.90-488,114.45

Finding the Fourth Proportional to 855,629.22, 1,180,833.90 and 488,114.45

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Solution

The fourth proportional to 855,629.22, 1,180,833.90 and 488,114.45 is: 673,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,629.22 : 1,180,833.90 = 488,114.45 : x
  2. Step 2: Convert to fraction form
    855,629.22/1,180,833.90 = 488,114.45/x
  3. Step 3: Cross multiply
    855,629.22x = 1,180,833.90 × 488,114.45
  4. Step 4: Simplify right side
    855,629.22x = 576,382,089,639.86
  5. Step 5: Solve for x
    x = 576,382,089,639.86/855,629.22
  6. Step 6: Final answer
    x = 673,635.35

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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.