Home / 980,168.80-1,470,253.20-886,856.80

Finding the Fourth Proportional to 980,168.80, 1,470,253.20 and 886,856.80

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Solution

The fourth proportional to 980,168.80, 1,470,253.20 and 886,856.80 is: 1,330,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,168.80 : 1,470,253.20 = 886,856.80 : x
  2. Step 2: Convert to fraction form
    980,168.80/1,470,253.20 = 886,856.80/x
  3. Step 3: Cross multiply
    980,168.80x = 1,470,253.20 × 886,856.80
  4. Step 4: Simplify right side
    980,168.80x = 1,303,904,048,141.76
  5. Step 5: Solve for x
    x = 1,303,904,048,141.76/980,168.80
  6. Step 6: Final answer
    x = 1,330,285.20

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Double scale
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Similar ratio
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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.