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Finding the Fourth Proportional to 624,418.40, 936,627.60 and 466,954.40

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Solution

The fourth proportional to 624,418.40, 936,627.60 and 466,954.40 is: 700,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,418.40 : 936,627.60 = 466,954.40 : x
  2. Step 2: Convert to fraction form
    624,418.40/936,627.60 = 466,954.40/x
  3. Step 3: Cross multiply
    624,418.40x = 936,627.60 × 466,954.40
  4. Step 4: Simplify right side
    624,418.40x = 437,362,378,981.44
  5. Step 5: Solve for x
    x = 437,362,378,981.44/624,418.40
  6. Step 6: Final answer
    x = 700,431.60

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Double scale
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Similar ratio
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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.