Finding the Fourth Proportional to 922,531.68, 1,273,064.85 and 540,812.70
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Solution
The fourth proportional to 922,531.68, 1,273,064.85 and 540,812.70 is: 746,304.60
Step by Step Solution
- Step 1: Write the proportion equation
922,531.68 : 1,273,064.85 = 540,812.70 : x - Step 2: Convert to fraction form
922,531.68/1,273,064.85 = 540,812.70/x - Step 3: Cross multiply
922,531.68x = 1,273,064.85 × 540,812.70 - Step 4: Simplify right side
922,531.68x = 688,489,638,803.60 - Step 5: Solve for x
x = 688,489,638,803.60/922,531.68 - Step 6: Final answer
x = 746,304.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.