Home / 984,147.30-1,476,279.27-310,249.98

Finding the Fourth Proportional to 984,147.30, 1,476,279.27 and 310,249.98

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Solution

The fourth proportional to 984,147.30, 1,476,279.27 and 310,249.98 is: 465,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,147.30 : 1,476,279.27 = 310,249.98 : x
  2. Step 2: Convert to fraction form
    984,147.30/1,476,279.27 = 310,249.98/x
  3. Step 3: Cross multiply
    984,147.30x = 1,476,279.27 × 310,249.98
  4. Step 4: Simplify right side
    984,147.30x = 458,015,613,991.92
  5. Step 5: Solve for x
    x = 458,015,613,991.92/984,147.30
  6. Step 6: Final answer
    x = 465,393.36

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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.