Home / 849,993.62-1,275,128.80-251,015.36

Finding the Fourth Proportional to 849,993.62, 1,275,128.80 and 251,015.36

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Solution

The fourth proportional to 849,993.62, 1,275,128.80 and 251,015.36 is: 376,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,993.62 : 1,275,128.80 = 251,015.36 : x
  2. Step 2: Convert to fraction form
    849,993.62/1,275,128.80 = 251,015.36/x
  3. Step 3: Cross multiply
    849,993.62x = 1,275,128.80 × 251,015.36
  4. Step 4: Simplify right side
    849,993.62x = 320,076,914,778.37
  5. Step 5: Solve for x
    x = 320,076,914,778.37/849,993.62
  6. Step 6: Final answer
    x = 376,563.90

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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.