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Finding the Fourth Proportional to 404,600.40, 607,399.80 and 254,840.40

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Solution

The fourth proportional to 404,600.40, 607,399.80 and 254,840.40 is: 382,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,600.40 : 607,399.80 = 254,840.40 : x
  2. Step 2: Convert to fraction form
    404,600.40/607,399.80 = 254,840.40/x
  3. Step 3: Cross multiply
    404,600.40x = 607,399.80 × 254,840.40
  4. Step 4: Simplify right side
    404,600.40x = 154,790,007,991.92
  5. Step 5: Solve for x
    x = 154,790,007,991.92/404,600.40
  6. Step 6: Final answer
    x = 382,575.02

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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.