Home / 859,573.36-1,289,358.56-228,487.20

Finding the Fourth Proportional to 859,573.36, 1,289,358.56 and 228,487.20

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Solution

The fourth proportional to 859,573.36, 1,289,358.56 and 228,487.20 is: 342,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,573.36 : 1,289,358.56 = 228,487.20 : x
  2. Step 2: Convert to fraction form
    859,573.36/1,289,358.56 = 228,487.20/x
  3. Step 3: Cross multiply
    859,573.36x = 1,289,358.56 × 228,487.20
  4. Step 4: Simplify right side
    859,573.36x = 294,601,927,170.43
  5. Step 5: Solve for x
    x = 294,601,927,170.43/859,573.36
  6. Step 6: Final answer
    x = 342,730.41

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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.