Home / 436,945.88-654,809.52-330,242.24

Finding the Fourth Proportional to 436,945.88, 654,809.52 and 330,242.24

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Solution

The fourth proportional to 436,945.88, 654,809.52 and 330,242.24 is: 494,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,945.88 : 654,809.52 = 330,242.24 : x
  2. Step 2: Convert to fraction form
    436,945.88/654,809.52 = 330,242.24/x
  3. Step 3: Cross multiply
    436,945.88x = 654,809.52 × 330,242.24
  4. Step 4: Simplify right side
    436,945.88x = 216,245,762,658.13
  5. Step 5: Solve for x
    x = 216,245,762,658.13/436,945.88
  6. Step 6: Final answer
    x = 494,902.85

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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.