Home / 767,143.79-1,150,674.26-234,664.87

Finding the Fourth Proportional to 767,143.79, 1,150,674.26 and 234,664.87

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Solution

The fourth proportional to 767,143.79, 1,150,674.26 and 234,664.87 is: 351,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,143.79 : 1,150,674.26 = 234,664.87 : x
  2. Step 2: Convert to fraction form
    767,143.79/1,150,674.26 = 234,664.87/x
  3. Step 3: Cross multiply
    767,143.79x = 1,150,674.26 × 234,664.87
  4. Step 4: Simplify right side
    767,143.79x = 270,022,826,979.02
  5. Step 5: Solve for x
    x = 270,022,826,979.02/767,143.79
  6. Step 6: Final answer
    x = 351,984.64

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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.