Finding the Fourth Proportional to 685,686.84, 1,029,193.68 and 330,950.52
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Solution
The fourth proportional to 685,686.84, 1,029,193.68 and 330,950.52 is: 496,745.98
Step by Step Solution
- Step 1: Write the proportion equation
685,686.84 : 1,029,193.68 = 330,950.52 : x - Step 2: Convert to fraction form
685,686.84/1,029,193.68 = 330,950.52/x - Step 3: Cross multiply
685,686.84x = 1,029,193.68 × 330,950.52 - Step 4: Simplify right side
685,686.84x = 340,612,183,576.71 - Step 5: Solve for x
x = 340,612,183,576.71/685,686.84 - Step 6: Final answer
x = 496,745.98
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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.