Finding the Fourth Proportional to 667,492.08, 921,226.68 and 380,946.48
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Solution
The fourth proportional to 667,492.08, 921,226.68 and 380,946.48 is: 525,756.14
Step by Step Solution
- Step 1: Write the proportion equation
667,492.08 : 921,226.68 = 380,946.48 : x - Step 2: Convert to fraction form
667,492.08/921,226.68 = 380,946.48/x - Step 3: Cross multiply
667,492.08x = 921,226.68 × 380,946.48 - Step 4: Simplify right side
667,492.08x = 350,938,061,028.09 - Step 5: Solve for x
x = 350,938,061,028.09/667,492.08 - Step 6: Final answer
x = 525,756.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.