Finding the Fourth Proportional to 1,038,604.99, 1,557,751.56 and 328,540.75
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Solution
The fourth proportional to 1,038,604.99, 1,557,751.56 and 328,540.75 is: 492,761.80
Step by Step Solution
- Step 1: Write the proportion equation
1,038,604.99 : 1,557,751.56 = 328,540.75 : x - Step 2: Convert to fraction form
1,038,604.99/1,557,751.56 = 328,540.75/x - Step 3: Cross multiply
1,038,604.99x = 1,557,751.56 × 328,540.75 - Step 4: Simplify right side
1,038,604.99x = 511,784,865,836.07 - Step 5: Solve for x
x = 511,784,865,836.07/1,038,604.99 - Step 6: Final answer
x = 492,761.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.