Finding the Fourth Proportional to 685,687.84, 1,029,195.18 and 330,951.52
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Solution
The fourth proportional to 685,687.84, 1,029,195.18 and 330,951.52 is: 496,747.48
Step by Step Solution
- Step 1: Write the proportion equation
685,687.84 : 1,029,195.18 = 330,951.52 : x - Step 2: Convert to fraction form
685,687.84/1,029,195.18 = 330,951.52/x - Step 3: Cross multiply
685,687.84x = 1,029,195.18 × 330,951.52 - Step 4: Simplify right side
685,687.84x = 340,613,709,197.67 - Step 5: Solve for x
x = 340,613,709,197.67/685,687.84 - Step 6: Final answer
x = 496,747.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.