Finding the Fourth Proportional to 660,043.14, 910,703.42 and 373,563.23
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Solution
The fourth proportional to 660,043.14, 910,703.42 and 373,563.23 is: 515,428.90
Step by Step Solution
- Step 1: Write the proportion equation
660,043.14 : 910,703.42 = 373,563.23 : x - Step 2: Convert to fraction form
660,043.14/910,703.42 = 373,563.23/x - Step 3: Cross multiply
660,043.14x = 910,703.42 × 373,563.23 - Step 4: Simplify right side
660,043.14x = 340,205,311,147.25 - Step 5: Solve for x
x = 340,205,311,147.25/660,043.14 - Step 6: Final answer
x = 515,428.90
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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.