Home / 419,631.34-629,633.04-219,904.24

Finding the Fourth Proportional to 419,631.34, 629,633.04 and 219,904.24

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Solution

The fourth proportional to 419,631.34, 629,633.04 and 219,904.24 is: 329,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,631.34 : 629,633.04 = 219,904.24 : x
  2. Step 2: Convert to fraction form
    419,631.34/629,633.04 = 219,904.24/x
  3. Step 3: Cross multiply
    419,631.34x = 629,633.04 × 219,904.24
  4. Step 4: Simplify right side
    419,631.34x = 138,458,972,741.37
  5. Step 5: Solve for x
    x = 138,458,972,741.37/419,631.34
  6. Step 6: Final answer
    x = 329,953.84

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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.