Finding the Fourth Proportional to 734,701.84, 1,102,478.39 and 308,199.94
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Solution
The fourth proportional to 734,701.84, 1,102,478.39 and 308,199.94 is: 462,478.45
Step by Step Solution
- Step 1: Write the proportion equation
734,701.84 : 1,102,478.39 = 308,199.94 : x - Step 2: Convert to fraction form
734,701.84/1,102,478.39 = 308,199.94/x - Step 3: Cross multiply
734,701.84x = 1,102,478.39 × 308,199.94 - Step 4: Simplify right side
734,701.84x = 339,783,772,241.48 - Step 5: Solve for x
x = 339,783,772,241.48/734,701.84 - Step 6: Final answer
x = 462,478.45
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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.