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Finding the Fourth Proportional to 624,600.60, 936,760.56 and 287,317.32

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Solution

The fourth proportional to 624,600.60, 936,760.56 and 287,317.32 is: 430,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,600.60 : 936,760.56 = 287,317.32 : x
  2. Step 2: Convert to fraction form
    624,600.60/936,760.56 = 287,317.32/x
  3. Step 3: Cross multiply
    624,600.60x = 936,760.56 × 287,317.32
  4. Step 4: Simplify right side
    624,600.60x = 269,147,533,580.90
  5. Step 5: Solve for x
    x = 269,147,533,580.90/624,600.60
  6. Step 6: Final answer
    x = 430,911.42

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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.