Home / 928,968.95-1,393,455.60-255,059.48

Finding the Fourth Proportional to 928,968.95, 1,393,455.60 and 255,059.48

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Solution

The fourth proportional to 928,968.95, 1,393,455.60 and 255,059.48 is: 382,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,968.95 : 1,393,455.60 = 255,059.48 : x
  2. Step 2: Convert to fraction form
    928,968.95/1,393,455.60 = 255,059.48/x
  3. Step 3: Cross multiply
    928,968.95x = 1,393,455.60 × 255,059.48
  4. Step 4: Simplify right side
    928,968.95x = 355,414,064,222.73
  5. Step 5: Solve for x
    x = 355,414,064,222.73/928,968.95
  6. Step 6: Final answer
    x = 382,589.82

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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.