Finding the Fourth Proportional to 994,845.60, 1,492,558.99 and 320,911.94
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Solution
The fourth proportional to 994,845.60, 1,492,558.99 and 320,911.94 is: 481,461.65
Step by Step Solution
- Step 1: Write the proportion equation
994,845.60 : 1,492,558.99 = 320,911.94 : x - Step 2: Convert to fraction form
994,845.60/1,492,558.99 = 320,911.94/x - Step 3: Cross multiply
994,845.60x = 1,492,558.99 × 320,911.94 - Step 4: Simplify right side
994,845.60x = 478,980,003,974.46 - Step 5: Solve for x
x = 478,980,003,974.46/994,845.60 - Step 6: Final answer
x = 481,461.65
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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.