Finding the Fourth Proportional to 994,683.60, 1,492,258.68 and 395,678.88
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Solution
The fourth proportional to 994,683.60, 1,492,258.68 and 395,678.88 is: 593,611.12
Step by Step Solution
- Step 1: Write the proportion equation
994,683.60 : 1,492,258.68 = 395,678.88 : x - Step 2: Convert to fraction form
994,683.60/1,492,258.68 = 395,678.88/x - Step 3: Cross multiply
994,683.60x = 1,492,258.68 × 395,678.88 - Step 4: Simplify right side
994,683.60x = 590,455,243,172.68 - Step 5: Solve for x
x = 590,455,243,172.68/994,683.60 - Step 6: Final answer
x = 593,611.12
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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.