Finding the Fourth Proportional to 994,967.70, 1,372,989.74 and 559,452.18
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Solution
The fourth proportional to 994,967.70, 1,372,989.74 and 559,452.18 is: 772,007.07
Step by Step Solution
- Step 1: Write the proportion equation
994,967.70 : 1,372,989.74 = 559,452.18 : x - Step 2: Convert to fraction form
994,967.70/1,372,989.74 = 559,452.18/x - Step 3: Cross multiply
994,967.70x = 1,372,989.74 × 559,452.18 - Step 4: Simplify right side
994,967.70x = 768,122,103,160.63 - Step 5: Solve for x
x = 768,122,103,160.63/994,967.70 - Step 6: Final answer
x = 772,007.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.