Finding the Fourth Proportional to 877,587.35, 1,316,230.49 and 278,414.96
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Solution
The fourth proportional to 877,587.35, 1,316,230.49 and 278,414.96 is: 417,574.68
Step by Step Solution
- Step 1: Write the proportion equation
877,587.35 : 1,316,230.49 = 278,414.96 : x - Step 2: Convert to fraction form
877,587.35/1,316,230.49 = 278,414.96/x - Step 3: Cross multiply
877,587.35x = 1,316,230.49 × 278,414.96 - Step 4: Simplify right side
877,587.35x = 366,458,253,339.02 - Step 5: Solve for x
x = 366,458,253,339.02/877,587.35 - Step 6: Final answer
x = 417,574.68
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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.