Home / 837,137.25-1,155,241.27-455,164.03

Finding the Fourth Proportional to 837,137.25, 1,155,241.27 and 455,164.03

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Solution

The fourth proportional to 837,137.25, 1,155,241.27 and 455,164.03 is: 628,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,137.25 : 1,155,241.27 = 455,164.03 : x
  2. Step 2: Convert to fraction form
    837,137.25/1,155,241.27 = 455,164.03/x
  3. Step 3: Cross multiply
    837,137.25x = 1,155,241.27 × 455,164.03
  4. Step 4: Simplify right side
    837,137.25x = 525,824,264,023.49
  5. Step 5: Solve for x
    x = 525,824,264,023.49/837,137.25
  6. Step 6: Final answer
    x = 628,121.93

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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.