Finding the Fourth Proportional to 589,599.07, 813,555.60 and 331,428.17
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Solution
The fourth proportional to 589,599.07, 813,555.60 and 331,428.17 is: 457,319.66
Step by Step Solution
- Step 1: Write the proportion equation
589,599.07 : 813,555.60 = 331,428.17 : x - Step 2: Convert to fraction form
589,599.07/813,555.60 = 331,428.17/x - Step 3: Cross multiply
589,599.07x = 813,555.60 × 331,428.17 - Step 4: Simplify right side
589,599.07x = 269,635,244,492.29 - Step 5: Solve for x
x = 269,635,244,492.29/589,599.07 - Step 6: Final answer
x = 457,319.66
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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.