Finding the Fourth Proportional to 939,634.84, 1,296,696.88 and 509,914.96
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Solution
The fourth proportional to 939,634.84, 1,296,696.88 and 509,914.96 is: 703,683.08
Step by Step Solution
- Step 1: Write the proportion equation
939,634.84 : 1,296,696.88 = 509,914.96 : x - Step 2: Convert to fraction form
939,634.84/1,296,696.88 = 509,914.96/x - Step 3: Cross multiply
939,634.84x = 1,296,696.88 × 509,914.96 - Step 4: Simplify right side
939,634.84x = 661,205,137,697.33 - Step 5: Solve for x
x = 661,205,137,697.33/939,634.84 - Step 6: Final answer
x = 703,683.08
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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.