Home / 823,059.18-1,234,707.09-254,484.60

Finding the Fourth Proportional to 823,059.18, 1,234,707.09 and 254,484.60

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Solution

The fourth proportional to 823,059.18, 1,234,707.09 and 254,484.60 is: 381,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,059.18 : 1,234,707.09 = 254,484.60 : x
  2. Step 2: Convert to fraction form
    823,059.18/1,234,707.09 = 254,484.60/x
  3. Step 3: Cross multiply
    823,059.18x = 1,234,707.09 × 254,484.60
  4. Step 4: Simplify right side
    823,059.18x = 314,213,939,915.81
  5. Step 5: Solve for x
    x = 314,213,939,915.81/823,059.18
  6. Step 6: Final answer
    x = 381,763.48

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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.