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Finding the Fourth Proportional to 404,619.60, 607,620.60 and 264,997.20

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Solution

The fourth proportional to 404,619.60, 607,620.60 and 264,997.20 is: 397,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,619.60 : 607,620.60 = 264,997.20 : x
  2. Step 2: Convert to fraction form
    404,619.60/607,620.60 = 264,997.20/x
  3. Step 3: Cross multiply
    404,619.60x = 607,620.60 × 264,997.20
  4. Step 4: Simplify right side
    404,619.60x = 161,017,757,662.32
  5. Step 5: Solve for x
    x = 161,017,757,662.32/404,619.60
  6. Step 6: Final answer
    x = 397,948.49

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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.