Finding the Fourth Proportional to 727,097.74, 1,090,140.64 and 322,070.07
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Solution
The fourth proportional to 727,097.74, 1,090,140.64 and 322,070.07 is: 482,880.98
Step by Step Solution
- Step 1: Write the proportion equation
727,097.74 : 1,090,140.64 = 322,070.07 : x - Step 2: Convert to fraction form
727,097.74/1,090,140.64 = 322,070.07/x - Step 3: Cross multiply
727,097.74x = 1,090,140.64 × 322,070.07 - Step 4: Simplify right side
727,097.74x = 351,101,672,234.65 - Step 5: Solve for x
x = 351,101,672,234.65/727,097.74 - Step 6: Final answer
x = 482,880.98
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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.