Finding the Fourth Proportional to 988,292.97, 1,363,845.47 and 535,583.97
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Solution
The fourth proportional to 988,292.97, 1,363,845.47 and 535,583.97 is: 739,106.51
Step by Step Solution
- Step 1: Write the proportion equation
988,292.97 : 1,363,845.47 = 535,583.97 : x - Step 2: Convert to fraction form
988,292.97/1,363,845.47 = 535,583.97/x - Step 3: Cross multiply
988,292.97x = 1,363,845.47 × 535,583.97 - Step 4: Simplify right side
988,292.97x = 730,453,768,611.20 - Step 5: Solve for x
x = 730,453,768,611.20/988,292.97 - Step 6: Final answer
x = 739,106.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.