Home / 878,164.44-1,211,851.13-496,183.02

Finding the Fourth Proportional to 878,164.44, 1,211,851.13 and 496,183.02

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Solution

The fourth proportional to 878,164.44, 1,211,851.13 and 496,183.02 is: 684,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,164.44 : 1,211,851.13 = 496,183.02 : x
  2. Step 2: Convert to fraction form
    878,164.44/1,211,851.13 = 496,183.02/x
  3. Step 3: Cross multiply
    878,164.44x = 1,211,851.13 × 496,183.02
  4. Step 4: Simplify right side
    878,164.44x = 601,299,946,448.46
  5. Step 5: Solve for x
    x = 601,299,946,448.46/878,164.44
  6. Step 6: Final answer
    x = 684,723.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.