Home / 816,400.12-1,224,748.24-336,361.35

Finding the Fourth Proportional to 816,400.12, 1,224,748.24 and 336,361.35

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Solution

The fourth proportional to 816,400.12, 1,224,748.24 and 336,361.35 is: 504,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,400.12 : 1,224,748.24 = 336,361.35 : x
  2. Step 2: Convert to fraction form
    816,400.12/1,224,748.24 = 336,361.35/x
  3. Step 3: Cross multiply
    816,400.12x = 1,224,748.24 × 336,361.35
  4. Step 4: Simplify right side
    816,400.12x = 411,957,965,982.82
  5. Step 5: Solve for x
    x = 411,957,965,982.82/816,400.12
  6. Step 6: Final answer
    x = 504,603.02

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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.