Home / 919,918.21-1,379,780.27-246,067.52

Finding the Fourth Proportional to 919,918.21, 1,379,780.27 and 246,067.52

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Solution

The fourth proportional to 919,918.21, 1,379,780.27 and 246,067.52 is: 369,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,918.21 : 1,379,780.27 = 246,067.52 : x
  2. Step 2: Convert to fraction form
    919,918.21/1,379,780.27 = 246,067.52/x
  3. Step 3: Cross multiply
    919,918.21x = 1,379,780.27 × 246,067.52
  4. Step 4: Simplify right side
    919,918.21x = 339,519,101,054.59
  5. Step 5: Solve for x
    x = 339,519,101,054.59/919,918.21
  6. Step 6: Final answer
    x = 369,075.31

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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.