Finding the Fourth Proportional to 637,654.43, 879,952.40 and 351,201.17
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Solution
The fourth proportional to 637,654.43, 879,952.40 and 351,201.17 is: 484,651.71
Step by Step Solution
- Step 1: Write the proportion equation
637,654.43 : 879,952.40 = 351,201.17 : x - Step 2: Convert to fraction form
637,654.43/879,952.40 = 351,201.17/x - Step 3: Cross multiply
637,654.43x = 879,952.40 × 351,201.17 - Step 4: Simplify right side
637,654.43x = 309,040,312,424.31 - Step 5: Solve for x
x = 309,040,312,424.31/637,654.43 - Step 6: Final answer
x = 484,651.71
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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.