Finding the Fourth Proportional to 874,819.53, 1,312,406.97 and 369,381.96
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Solution
The fourth proportional to 874,819.53, 1,312,406.97 and 369,381.96 is: 554,147.96
Step by Step Solution
- Step 1: Write the proportion equation
874,819.53 : 1,312,406.97 = 369,381.96 : x - Step 2: Convert to fraction form
874,819.53/1,312,406.97 = 369,381.96/x - Step 3: Cross multiply
874,819.53x = 1,312,406.97 × 369,381.96 - Step 4: Simplify right side
874,819.53x = 484,779,458,896.26 - Step 5: Solve for x
x = 484,779,458,896.26/874,819.53 - Step 6: Final answer
x = 554,147.96
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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.