Finding the Fourth Proportional to 946,676.40, 1,303,098.84 and 825,604.08
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Solution
The fourth proportional to 946,676.40, 1,303,098.84 and 825,604.08 is: 1,136,442.95
Step by Step Solution
- Step 1: Write the proportion equation
946,676.40 : 1,303,098.84 = 825,604.08 : x - Step 2: Convert to fraction form
946,676.40/1,303,098.84 = 825,604.08/x - Step 3: Cross multiply
946,676.40x = 1,303,098.84 × 825,604.08 - Step 4: Simplify right side
946,676.40x = 1,075,843,718,947.27 - Step 5: Solve for x
x = 1,075,843,718,947.27/946,676.40 - Step 6: Final answer
x = 1,136,442.95
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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.