Finding the Fourth Proportional to 762,870.74, 1,144,349.94 and 276,658.73
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Solution
The fourth proportional to 762,870.74, 1,144,349.94 and 276,658.73 is: 415,003.99
Step by Step Solution
- Step 1: Write the proportion equation
762,870.74 : 1,144,349.94 = 276,658.73 : x - Step 2: Convert to fraction form
762,870.74/1,144,349.94 = 276,658.73/x - Step 3: Cross multiply
762,870.74x = 1,144,349.94 × 276,658.73 - Step 4: Simplify right side
762,870.74x = 316,594,401,567.19 - Step 5: Solve for x
x = 316,594,401,567.19/762,870.74 - Step 6: Final answer
x = 415,003.99
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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.