Finding the Fourth Proportional to 684,670.76, 1,027,099.59 and 285,218.09
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Solution
The fourth proportional to 684,670.76, 1,027,099.59 and 285,218.09 is: 427,866.06
Step by Step Solution
- Step 1: Write the proportion equation
684,670.76 : 1,027,099.59 = 285,218.09 : x - Step 2: Convert to fraction form
684,670.76/1,027,099.59 = 285,218.09/x - Step 3: Cross multiply
684,670.76x = 1,027,099.59 × 285,218.09 - Step 4: Simplify right side
684,670.76x = 292,947,383,299.58 - Step 5: Solve for x
x = 292,947,383,299.58/684,670.76 - Step 6: Final answer
x = 427,866.06
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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.