Finding the Fourth Proportional to 765,923.68, 1,148,353.46 and 339,226.99
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Solution
The fourth proportional to 765,923.68, 1,148,353.46 and 339,226.99 is: 508,604.84
Step by Step Solution
- Step 1: Write the proportion equation
765,923.68 : 1,148,353.46 = 339,226.99 : x - Step 2: Convert to fraction form
765,923.68/1,148,353.46 = 339,226.99/x - Step 3: Cross multiply
765,923.68x = 1,148,353.46 × 339,226.99 - Step 4: Simplify right side
765,923.68x = 389,552,492,975.76 - Step 5: Solve for x
x = 389,552,492,975.76/765,923.68 - Step 6: Final answer
x = 508,604.84
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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.