Finding the Fourth Proportional to 1,036,382.38, 1,554,425.93 and 326,391.95
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Solution
The fourth proportional to 1,036,382.38, 1,554,425.93 and 326,391.95 is: 489,541.43
Step by Step Solution
- Step 1: Write the proportion equation
1,036,382.38 : 1,554,425.93 = 326,391.95 : x - Step 2: Convert to fraction form
1,036,382.38/1,554,425.93 = 326,391.95/x - Step 3: Cross multiply
1,036,382.38x = 1,554,425.93 × 326,391.95 - Step 4: Simplify right side
1,036,382.38x = 507,352,115,125.31 - Step 5: Solve for x
x = 507,352,115,125.31/1,036,382.38 - Step 6: Final answer
x = 489,541.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.