Home / 712,104.78-1,067,880.36-256,574.55

Finding the Fourth Proportional to 712,104.78, 1,067,880.36 and 256,574.55

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Solution

The fourth proportional to 712,104.78, 1,067,880.36 and 256,574.55 is: 384,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,104.78 : 1,067,880.36 = 256,574.55 : x
  2. Step 2: Convert to fraction form
    712,104.78/1,067,880.36 = 256,574.55/x
  3. Step 3: Cross multiply
    712,104.78x = 1,067,880.36 × 256,574.55
  4. Step 4: Simplify right side
    712,104.78x = 273,990,922,820.84
  5. Step 5: Solve for x
    x = 273,990,922,820.84/712,104.78
  6. Step 6: Final answer
    x = 384,762.09

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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.