Finding the Fourth Proportional to 993,396.52, 1,370,916.56 and 703,526.68
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Solution
The fourth proportional to 993,396.52, 1,370,916.56 and 703,526.68 is: 970,887.61
Step by Step Solution
- Step 1: Write the proportion equation
993,396.52 : 1,370,916.56 = 703,526.68 : x - Step 2: Convert to fraction form
993,396.52/1,370,916.56 = 703,526.68/x - Step 3: Cross multiply
993,396.52x = 1,370,916.56 × 703,526.68 - Step 4: Simplify right side
993,396.52x = 964,476,376,013.82 - Step 5: Solve for x
x = 964,476,376,013.82/993,396.52 - Step 6: Final answer
x = 970,887.61
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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.