Home / 746,361.54-1,118,879.47-290,847.25

Finding the Fourth Proportional to 746,361.54, 1,118,879.47 and 290,847.25

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Solution

The fourth proportional to 746,361.54, 1,118,879.47 and 290,847.25 is: 436,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,361.54 : 1,118,879.47 = 290,847.25 : x
  2. Step 2: Convert to fraction form
    746,361.54/1,118,879.47 = 290,847.25/x
  3. Step 3: Cross multiply
    746,361.54x = 1,118,879.47 × 290,847.25
  4. Step 4: Simplify right side
    746,361.54x = 325,423,016,930.96
  5. Step 5: Solve for x
    x = 325,423,016,930.96/746,361.54
  6. Step 6: Final answer
    x = 436,012.57

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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.