Finding the Fourth Proportional to 826,776.62, 1,240,177.35 and 287,049.98
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Solution
The fourth proportional to 826,776.62, 1,240,177.35 and 287,049.98 is: 430,579.28
Step by Step Solution
- Step 1: Write the proportion equation
826,776.62 : 1,240,177.35 = 287,049.98 : x - Step 2: Convert to fraction form
826,776.62/1,240,177.35 = 287,049.98/x - Step 3: Cross multiply
826,776.62x = 1,240,177.35 × 287,049.98 - Step 4: Simplify right side
826,776.62x = 355,992,883,513.95 - Step 5: Solve for x
x = 355,992,883,513.95/826,776.62 - Step 6: Final answer
x = 430,579.28
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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.