Finding the Fourth Proportional to 989,052.12, 1,364,892.12 and 536,343.12
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Solution
The fourth proportional to 989,052.12, 1,364,892.12 and 536,343.12 is: 740,153.61
Step by Step Solution
- Step 1: Write the proportion equation
989,052.12 : 1,364,892.12 = 536,343.12 : x - Step 2: Convert to fraction form
989,052.12/1,364,892.12 = 536,343.12/x - Step 3: Cross multiply
989,052.12x = 1,364,892.12 × 536,343.12 - Step 4: Simplify right side
989,052.12x = 732,050,498,104.22 - Step 5: Solve for x
x = 732,050,498,104.22/989,052.12 - Step 6: Final answer
x = 740,153.61
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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.