Finding the Fourth Proportional to 637,428.24, 879,631.92 and 350,947.44
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Solution
The fourth proportional to 637,428.24, 879,631.92 and 350,947.44 is: 484,296.98
Step by Step Solution
- Step 1: Write the proportion equation
637,428.24 : 879,631.92 = 350,947.44 : x - Step 2: Convert to fraction form
637,428.24/879,631.92 = 350,947.44/x - Step 3: Cross multiply
637,428.24x = 879,631.92 × 350,947.44 - Step 4: Simplify right side
637,428.24x = 308,704,570,466.29 - Step 5: Solve for x
x = 308,704,570,466.29/637,428.24 - Step 6: Final answer
x = 484,296.98
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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.