Home / 816,268.59-1,224,415.24-310,857.55

Finding the Fourth Proportional to 816,268.59, 1,224,415.24 and 310,857.55

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Solution

The fourth proportional to 816,268.59, 1,224,415.24 and 310,857.55 is: 466,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,268.59 : 1,224,415.24 = 310,857.55 : x
  2. Step 2: Convert to fraction form
    816,268.59/1,224,415.24 = 310,857.55/x
  3. Step 3: Cross multiply
    816,268.59x = 1,224,415.24 × 310,857.55
  4. Step 4: Simplify right side
    816,268.59x = 380,618,717,850.88
  5. Step 5: Solve for x
    x = 380,618,717,850.88/816,268.59
  6. Step 6: Final answer
    x = 466,291.03

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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.