Finding the Fourth Proportional to 782,618.61, 1,173,739.08 and 326,963.70
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Solution
The fourth proportional to 782,618.61, 1,173,739.08 and 326,963.70 is: 490,366.66
Step by Step Solution
- Step 1: Write the proportion equation
782,618.61 : 1,173,739.08 = 326,963.70 : x - Step 2: Convert to fraction form
782,618.61/1,173,739.08 = 326,963.70/x - Step 3: Cross multiply
782,618.61x = 1,173,739.08 × 326,963.70 - Step 4: Simplify right side
782,618.61x = 383,770,072,431.40 - Step 5: Solve for x
x = 383,770,072,431.40/782,618.61 - Step 6: Final answer
x = 490,366.66
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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.