Finding the Fourth Proportional to 976,563.84, 1,465,792.65 and 471,481.05
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Solution
The fourth proportional to 976,563.84, 1,465,792.65 and 471,481.05 is: 707,678.73
Step by Step Solution
- Step 1: Write the proportion equation
976,563.84 : 1,465,792.65 = 471,481.05 : x - Step 2: Convert to fraction form
976,563.84/1,465,792.65 = 471,481.05/x - Step 3: Cross multiply
976,563.84x = 1,465,792.65 × 471,481.05 - Step 4: Simplify right side
976,563.84x = 691,093,457,704.28 - Step 5: Solve for x
x = 691,093,457,704.28/976,563.84 - Step 6: Final answer
x = 707,678.73
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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.