Home / 729,680.10-1,094,520.15-256,413.30

Finding the Fourth Proportional to 729,680.10, 1,094,520.15 and 256,413.30

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Solution

The fourth proportional to 729,680.10, 1,094,520.15 and 256,413.30 is: 384,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,680.10 : 1,094,520.15 = 256,413.30 : x
  2. Step 2: Convert to fraction form
    729,680.10/1,094,520.15 = 256,413.30/x
  3. Step 3: Cross multiply
    729,680.10x = 1,094,520.15 × 256,413.30
  4. Step 4: Simplify right side
    729,680.10x = 280,649,523,578.00
  5. Step 5: Solve for x
    x = 280,649,523,578.00/729,680.10
  6. Step 6: Final answer
    x = 384,619.95

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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.