Home / 849,993.37-1,275,128.43-251,015.11

Finding the Fourth Proportional to 849,993.37, 1,275,128.43 and 251,015.11

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Solution

The fourth proportional to 849,993.37, 1,275,128.43 and 251,015.11 is: 376,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,993.37 : 1,275,128.43 = 251,015.11 : x
  2. Step 2: Convert to fraction form
    849,993.37/1,275,128.43 = 251,015.11/x
  3. Step 3: Cross multiply
    849,993.37x = 1,275,128.43 × 251,015.11
  4. Step 4: Simplify right side
    849,993.37x = 320,076,503,120.58
  5. Step 5: Solve for x
    x = 320,076,503,120.58/849,993.37
  6. Step 6: Final answer
    x = 376,563.53

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Double scale
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Similar ratio
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1.5x scale

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.