Home / 750,144.64-1,125,213.60-306,912.64

Finding the Fourth Proportional to 750,144.64, 1,125,213.60 and 306,912.64

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Solution

The fourth proportional to 750,144.64, 1,125,213.60 and 306,912.64 is: 460,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,144.64 : 1,125,213.60 = 306,912.64 : x
  2. Step 2: Convert to fraction form
    750,144.64/1,125,213.60 = 306,912.64/x
  3. Step 3: Cross multiply
    750,144.64x = 1,125,213.60 × 306,912.64
  4. Step 4: Simplify right side
    750,144.64x = 345,342,276,539.90
  5. Step 5: Solve for x
    x = 345,342,276,539.90/750,144.64
  6. Step 6: Final answer
    x = 460,367.59

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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.