Home / 744,234.12-1,027,021.14-421,973.64

Finding the Fourth Proportional to 744,234.12, 1,027,021.14 and 421,973.64

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Solution

The fourth proportional to 744,234.12, 1,027,021.14 and 421,973.64 is: 582,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,234.12 : 1,027,021.14 = 421,973.64 : x
  2. Step 2: Convert to fraction form
    744,234.12/1,027,021.14 = 421,973.64/x
  3. Step 3: Cross multiply
    744,234.12x = 1,027,021.14 × 421,973.64
  4. Step 4: Simplify right side
    744,234.12x = 433,375,848,802.75
  5. Step 5: Solve for x
    x = 433,375,848,802.75/744,234.12
  6. Step 6: Final answer
    x = 582,311.18

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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.