Finding the Fourth Proportional to 589,609.62, 813,409.11 and 385,305.93
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Solution
The fourth proportional to 589,609.62, 813,409.11 and 385,305.93 is: 531,557.39
Step by Step Solution
- Step 1: Write the proportion equation
589,609.62 : 813,409.11 = 385,305.93 : x - Step 2: Convert to fraction form
589,609.62/813,409.11 = 385,305.93/x - Step 3: Cross multiply
589,609.62x = 813,409.11 × 385,305.93 - Step 4: Simplify right side
589,609.62x = 313,411,353,599.02 - Step 5: Solve for x
x = 313,411,353,599.02/589,609.62 - Step 6: Final answer
x = 531,557.39
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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.