Finding the Fourth Proportional to 987,137.10, 1,362,123.97 and 579,090.06
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Solution
The fourth proportional to 987,137.10, 1,362,123.97 and 579,090.06 is: 799,070.82
Step by Step Solution
- Step 1: Write the proportion equation
987,137.10 : 1,362,123.97 = 579,090.06 : x - Step 2: Convert to fraction form
987,137.10/1,362,123.97 = 579,090.06/x - Step 3: Cross multiply
987,137.10x = 1,362,123.97 × 579,090.06 - Step 4: Simplify right side
987,137.10x = 788,792,450,067.01 - Step 5: Solve for x
x = 788,792,450,067.01/987,137.10 - Step 6: Final answer
x = 799,070.82
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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.