Home / 947,878.48-1,422,172.56-492,185.44

Finding the Fourth Proportional to 947,878.48, 1,422,172.56 and 492,185.44

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Solution

The fourth proportional to 947,878.48, 1,422,172.56 and 492,185.44 is: 738,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,878.48 : 1,422,172.56 = 492,185.44 : x
  2. Step 2: Convert to fraction form
    947,878.48/1,422,172.56 = 492,185.44/x
  3. Step 3: Cross multiply
    947,878.48x = 1,422,172.56 × 492,185.44
  4. Step 4: Simplify right side
    947,878.48x = 699,972,627,199.53
  5. Step 5: Solve for x
    x = 699,972,627,199.53/947,878.48
  6. Step 6: Final answer
    x = 738,462.41

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1.5x scale

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.