Finding the Fourth Proportional to 769,458.48, 1,153,824.46 and 449,702.08
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Solution
The fourth proportional to 769,458.48, 1,153,824.46 and 449,702.08 is: 674,340.82
Step by Step Solution
- Step 1: Write the proportion equation
769,458.48 : 1,153,824.46 = 449,702.08 : x - Step 2: Convert to fraction form
769,458.48/1,153,824.46 = 449,702.08/x - Step 3: Cross multiply
769,458.48x = 1,153,824.46 × 449,702.08 - Step 4: Simplify right side
769,458.48x = 518,877,259,616.88 - Step 5: Solve for x
x = 518,877,259,616.88/769,458.48 - Step 6: Final answer
x = 674,340.82
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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.