Finding the Fourth Proportional to 686,552.80, 1,029,214.80 and 265,688.80
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Solution
The fourth proportional to 686,552.80, 1,029,214.80 and 265,688.80 is: 398,295.43
Step by Step Solution
- Step 1: Write the proportion equation
686,552.80 : 1,029,214.80 = 265,688.80 : x - Step 2: Convert to fraction form
686,552.80/1,029,214.80 = 265,688.80/x - Step 3: Cross multiply
686,552.80x = 1,029,214.80 × 265,688.80 - Step 4: Simplify right side
686,552.80x = 273,450,845,154.24 - Step 5: Solve for x
x = 273,450,845,154.24/686,552.80 - Step 6: Final answer
x = 398,295.43
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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.