Finding the Fourth Proportional to 696,390.27, 1,044,585.74 and 459,677.62
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Solution
The fourth proportional to 696,390.27, 1,044,585.74 and 459,677.62 is: 689,516.65
Step by Step Solution
- Step 1: Write the proportion equation
696,390.27 : 1,044,585.74 = 459,677.62 : x - Step 2: Convert to fraction form
696,390.27/1,044,585.74 = 459,677.62/x - Step 3: Cross multiply
696,390.27x = 1,044,585.74 × 459,677.62 - Step 4: Simplify right side
696,390.27x = 480,172,686,849.14 - Step 5: Solve for x
x = 480,172,686,849.14/696,390.27 - Step 6: Final answer
x = 689,516.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.