Finding the Fourth Proportional to 870,823.05, 1,306,234.58 and 658,246.65
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Solution
The fourth proportional to 870,823.05, 1,306,234.58 and 658,246.65 is: 987,369.98
Step by Step Solution
- Step 1: Write the proportion equation
870,823.05 : 1,306,234.58 = 658,246.65 : x - Step 2: Convert to fraction form
870,823.05/1,306,234.58 = 658,246.65/x - Step 3: Cross multiply
870,823.05x = 1,306,234.58 × 658,246.65 - Step 4: Simplify right side
870,823.05x = 859,824,533,107.92 - Step 5: Solve for x
x = 859,824,533,107.92/870,823.05 - Step 6: Final answer
x = 987,369.98
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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.