Finding the Fourth Proportional to 908,529.09, 1,244,689.31 and 874,477.23
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Solution
The fourth proportional to 908,529.09, 1,244,689.31 and 874,477.23 is: 1,198,038.09
Step by Step Solution
- Step 1: Write the proportion equation
908,529.09 : 1,244,689.31 = 874,477.23 : x - Step 2: Convert to fraction form
908,529.09/1,244,689.31 = 874,477.23/x - Step 3: Cross multiply
908,529.09x = 1,244,689.31 × 874,477.23 - Step 4: Simplify right side
908,529.09x = 1,088,452,455,647.03 - Step 5: Solve for x
x = 1,088,452,455,647.03/908,529.09 - Step 6: Final answer
x = 1,198,038.09
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.