Finding the Fourth Proportional to 684,936.48, 1,027,411.79 and 305,876.53
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Solution
The fourth proportional to 684,936.48, 1,027,411.79 and 305,876.53 is: 458,817.95
Step by Step Solution
- Step 1: Write the proportion equation
684,936.48 : 1,027,411.79 = 305,876.53 : x - Step 2: Convert to fraction form
684,936.48/1,027,411.79 = 305,876.53/x - Step 3: Cross multiply
684,936.48x = 1,027,411.79 × 305,876.53 - Step 4: Simplify right side
684,936.48x = 314,261,152,961.17 - Step 5: Solve for x
x = 314,261,152,961.17/684,936.48 - Step 6: Final answer
x = 458,817.95
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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.