Finding the Fourth Proportional to 853,915.74, 1,178,332.83 and 471,942.42
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Solution
The fourth proportional to 853,915.74, 1,178,332.83 and 471,942.42 is: 651,241.36
Step by Step Solution
- Step 1: Write the proportion equation
853,915.74 : 1,178,332.83 = 471,942.42 : x - Step 2: Convert to fraction form
853,915.74/1,178,332.83 = 471,942.42/x - Step 3: Cross multiply
853,915.74x = 1,178,332.83 × 471,942.42 - Step 4: Simplify right side
853,915.74x = 556,105,247,355.65 - Step 5: Solve for x
x = 556,105,247,355.65/853,915.74 - Step 6: Final answer
x = 651,241.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.