Finding the Fourth Proportional to 877,768.44, 1,316,518.16 and 278,651.94
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Solution
The fourth proportional to 877,768.44, 1,316,518.16 and 278,651.94 is: 417,935.21
Step by Step Solution
- Step 1: Write the proportion equation
877,768.44 : 1,316,518.16 = 278,651.94 : x - Step 2: Convert to fraction form
877,768.44/1,316,518.16 = 278,651.94/x - Step 3: Cross multiply
877,768.44x = 1,316,518.16 × 278,651.94 - Step 4: Simplify right side
877,768.44x = 366,850,337,935.97 - Step 5: Solve for x
x = 366,850,337,935.97/877,768.44 - Step 6: Final answer
x = 417,935.21
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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.