Finding the Fourth Proportional to 988,806.96, 1,364,555.16 and 536,099.12
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Solution
The fourth proportional to 988,806.96, 1,364,555.16 and 536,099.12 is: 739,817.63
Step by Step Solution
- Step 1: Write the proportion equation
988,806.96 : 1,364,555.16 = 536,099.12 : x - Step 2: Convert to fraction form
988,806.96/1,364,555.16 = 536,099.12/x - Step 3: Cross multiply
988,806.96x = 1,364,555.16 × 536,099.12 - Step 4: Simplify right side
988,806.96x = 731,536,820,467.46 - Step 5: Solve for x
x = 731,536,820,467.46/988,806.96 - Step 6: Final answer
x = 739,817.63
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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.