Home / 744,015.12-1,115,334.16-270,573.36

Finding the Fourth Proportional to 744,015.12, 1,115,334.16 and 270,573.36

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Solution

The fourth proportional to 744,015.12, 1,115,334.16 and 270,573.36 is: 405,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,015.12 : 1,115,334.16 = 270,573.36 : x
  2. Step 2: Convert to fraction form
    744,015.12/1,115,334.16 = 270,573.36/x
  3. Step 3: Cross multiply
    744,015.12x = 1,115,334.16 × 270,573.36
  4. Step 4: Simplify right side
    744,015.12x = 301,779,711,193.98
  5. Step 5: Solve for x
    x = 301,779,711,193.98/744,015.12
  6. Step 6: Final answer
    x = 405,609.65

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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.