Finding the Fourth Proportional to 850,828.36, 1,276,246.86 and 219,698.68
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Solution
The fourth proportional to 850,828.36, 1,276,246.86 and 219,698.68 is: 329,549.14
Step by Step Solution
- Step 1: Write the proportion equation
850,828.36 : 1,276,246.86 = 219,698.68 : x - Step 2: Convert to fraction form
850,828.36/1,276,246.86 = 219,698.68/x - Step 3: Cross multiply
850,828.36x = 1,276,246.86 × 219,698.68 - Step 4: Simplify right side
850,828.36x = 280,389,750,496.15 - Step 5: Solve for x
x = 280,389,750,496.15/850,828.36 - Step 6: Final answer
x = 329,549.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.