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Finding the Fourth Proportional to 440,584.60, 607,999.22 and 239,379.16

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Solution

The fourth proportional to 440,584.60, 607,999.22 and 239,379.16 is: 330,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,584.60 : 607,999.22 = 239,379.16 : x
  2. Step 2: Convert to fraction form
    440,584.60/607,999.22 = 239,379.16/x
  3. Step 3: Cross multiply
    440,584.60x = 607,999.22 × 239,379.16
  4. Step 4: Simplify right side
    440,584.60x = 145,542,342,564.26
  5. Step 5: Solve for x
    x = 145,542,342,564.26/440,584.60
  6. Step 6: Final answer
    x = 330,339.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.