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Finding the Fourth Proportional to 462,400.40, 693,600.60 and 440,627.60

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Solution

The fourth proportional to 462,400.40, 693,600.60 and 440,627.60 is: 660,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,400.40 : 693,600.60 = 440,627.60 : x
  2. Step 2: Convert to fraction form
    462,400.40/693,600.60 = 440,627.60/x
  3. Step 3: Cross multiply
    462,400.40x = 693,600.60 × 440,627.60
  4. Step 4: Simplify right side
    462,400.40x = 305,619,567,736.56
  5. Step 5: Solve for x
    x = 305,619,567,736.56/462,400.40
  6. Step 6: Final answer
    x = 660,941.40

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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.