Home / 928,928.93-1,393,395.53-255,019.46

Finding the Fourth Proportional to 928,928.93, 1,393,395.53 and 255,019.46

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Solution

The fourth proportional to 928,928.93, 1,393,395.53 and 255,019.46 is: 382,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,928.93 : 1,393,395.53 = 255,019.46 : x
  2. Step 2: Convert to fraction form
    928,928.93/1,393,395.53 = 255,019.46/x
  3. Step 3: Cross multiply
    928,928.93x = 1,393,395.53 × 255,019.46
  4. Step 4: Simplify right side
    928,928.93x = 355,342,979,500.32
  5. Step 5: Solve for x
    x = 355,342,979,500.32/928,928.93
  6. Step 6: Final answer
    x = 382,529.78

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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.