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Finding the Fourth Proportional to 436,200.40, 654,300.60 and 331,224.40

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Solution

The fourth proportional to 436,200.40, 654,300.60 and 331,224.40 is: 496,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,200.40 : 654,300.60 = 331,224.40 : x
  2. Step 2: Convert to fraction form
    436,200.40/654,300.60 = 331,224.40/x
  3. Step 3: Cross multiply
    436,200.40x = 654,300.60 × 331,224.40
  4. Step 4: Simplify right side
    436,200.40x = 216,720,323,654.64
  5. Step 5: Solve for x
    x = 216,720,323,654.64/436,200.40
  6. Step 6: Final answer
    x = 496,836.60

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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.