Home / 949,540.32-1,424,647.44-318,453.12

Finding the Fourth Proportional to 949,540.32, 1,424,647.44 and 318,453.12

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Solution

The fourth proportional to 949,540.32, 1,424,647.44 and 318,453.12 is: 477,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,540.32 : 1,424,647.44 = 318,453.12 : x
  2. Step 2: Convert to fraction form
    949,540.32/1,424,647.44 = 318,453.12/x
  3. Step 3: Cross multiply
    949,540.32x = 1,424,647.44 × 318,453.12
  4. Step 4: Simplify right side
    949,540.32x = 453,683,422,168.01
  5. Step 5: Solve for x
    x = 453,683,422,168.01/949,540.32
  6. Step 6: Final answer
    x = 477,792.69

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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.