Finding the Fourth Proportional to 692,658.05, 1,036,623.90 and 580,464.95
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Solution
The fourth proportional to 692,658.05, 1,036,623.90 and 580,464.95 is: 868,717.02
Step by Step Solution
- Step 1: Write the proportion equation
692,658.05 : 1,036,623.90 = 580,464.95 : x - Step 2: Convert to fraction form
692,658.05/1,036,623.90 = 580,464.95/x - Step 3: Cross multiply
692,658.05x = 1,036,623.90 × 580,464.95 - Step 4: Simplify right side
692,658.05x = 601,723,840,282.31 - Step 5: Solve for x
x = 601,723,840,282.31/692,658.05 - Step 6: Final answer
x = 868,717.02
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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.