Finding the Fourth Proportional to 994,968.70, 1,372,991.12 and 559,453.18
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Solution
The fourth proportional to 994,968.70, 1,372,991.12 and 559,453.18 is: 772,008.45
Step by Step Solution
- Step 1: Write the proportion equation
994,968.70 : 1,372,991.12 = 559,453.18 : x - Step 2: Convert to fraction form
994,968.70/1,372,991.12 = 559,453.18/x - Step 3: Cross multiply
994,968.70x = 1,372,991.12 × 559,453.18 - Step 4: Simplify right side
994,968.70x = 768,124,248,195.76 - Step 5: Solve for x
x = 768,124,248,195.76/994,968.70 - Step 6: Final answer
x = 772,008.45
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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.