Finding the Fourth Proportional to 684,451.68, 1,026,852.44 and 284,959.68
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Solution
The fourth proportional to 684,451.68, 1,026,852.44 and 284,959.68 is: 427,512.34
Step by Step Solution
- Step 1: Write the proportion equation
684,451.68 : 1,026,852.44 = 284,959.68 : x - Step 2: Convert to fraction form
684,451.68/1,026,852.44 = 284,959.68/x - Step 3: Cross multiply
684,451.68x = 1,026,852.44 × 284,959.68 - Step 4: Simplify right side
684,451.68x = 292,611,542,709.62 - Step 5: Solve for x
x = 292,611,542,709.62/684,451.68 - Step 6: Final answer
x = 427,512.34
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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.