Home / 787,183.80-1,180,812.96-254,746.50

Finding the Fourth Proportional to 787,183.80, 1,180,812.96 and 254,746.50

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Solution

The fourth proportional to 787,183.80, 1,180,812.96 and 254,746.50 is: 382,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,183.80 : 1,180,812.96 = 254,746.50 : x
  2. Step 2: Convert to fraction form
    787,183.80/1,180,812.96 = 254,746.50/x
  3. Step 3: Cross multiply
    787,183.80x = 1,180,812.96 × 254,746.50
  4. Step 4: Simplify right side
    787,183.80x = 300,807,968,714.64
  5. Step 5: Solve for x
    x = 300,807,968,714.64/787,183.80
  6. Step 6: Final answer
    x = 382,131.81

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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.