Finding the Fourth Proportional to 874,976.24, 1,317,191.36 and 786,990.94
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Solution
The fourth proportional to 874,976.24, 1,317,191.36 and 786,990.94 is: 1,184,738.08
Step by Step Solution
- Step 1: Write the proportion equation
874,976.24 : 1,317,191.36 = 786,990.94 : x - Step 2: Convert to fraction form
874,976.24/1,317,191.36 = 786,990.94/x - Step 3: Cross multiply
874,976.24x = 1,317,191.36 × 786,990.94 - Step 4: Simplify right side
874,976.24x = 1,036,617,666,566.28 - Step 5: Solve for x
x = 1,036,617,666,566.28/874,976.24 - Step 6: Final answer
x = 1,184,738.08
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.