Home / 859,552.20-1,289,328.30-228,529.80

Finding the Fourth Proportional to 859,552.20, 1,289,328.30 and 228,529.80

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Solution

The fourth proportional to 859,552.20, 1,289,328.30 and 228,529.80 is: 342,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,552.20 : 1,289,328.30 = 228,529.80 : x
  2. Step 2: Convert to fraction form
    859,552.20/1,289,328.30 = 228,529.80/x
  3. Step 3: Cross multiply
    859,552.20x = 1,289,328.30 × 228,529.80
  4. Step 4: Simplify right side
    859,552.20x = 294,649,938,533.34
  5. Step 5: Solve for x
    x = 294,649,938,533.34/859,552.20
  6. Step 6: Final answer
    x = 342,794.70

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Double scale
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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.