Finding the Fourth Proportional to 758,440.05, 1,137,747.55 and 253,068.09
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Solution
The fourth proportional to 758,440.05, 1,137,747.55 and 253,068.09 is: 379,631.32
Step by Step Solution
- Step 1: Write the proportion equation
758,440.05 : 1,137,747.55 = 253,068.09 : x - Step 2: Convert to fraction form
758,440.05/1,137,747.55 = 253,068.09/x - Step 3: Cross multiply
758,440.05x = 1,137,747.55 × 253,068.09 - Step 4: Simplify right side
758,440.05x = 287,927,599,380.68 - Step 5: Solve for x
x = 287,927,599,380.68/758,440.05 - Step 6: Final answer
x = 379,631.32
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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.