Finding the Fourth Proportional to 874,950.80, 1,312,625.45 and 306,359.96
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Solution
The fourth proportional to 874,950.80, 1,312,625.45 and 306,359.96 is: 459,609.70
Step by Step Solution
- Step 1: Write the proportion equation
874,950.80 : 1,312,625.45 = 306,359.96 : x - Step 2: Convert to fraction form
874,950.80/1,312,625.45 = 306,359.96/x - Step 3: Cross multiply
874,950.80x = 1,312,625.45 × 306,359.96 - Step 4: Simplify right side
874,950.80x = 402,135,874,559.76 - Step 5: Solve for x
x = 402,135,874,559.76/874,950.80 - Step 6: Final answer
x = 459,609.70
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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.