Finding the Fourth Proportional to 988,523.12, 1,364,160.36 and 535,814.24
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Solution
The fourth proportional to 988,523.12, 1,364,160.36 and 535,814.24 is: 739,422.81
Step by Step Solution
- Step 1: Write the proportion equation
988,523.12 : 1,364,160.36 = 535,814.24 : x - Step 2: Convert to fraction form
988,523.12/1,364,160.36 = 535,814.24/x - Step 3: Cross multiply
988,523.12x = 1,364,160.36 × 535,814.24 - Step 4: Simplify right side
988,523.12x = 730,936,546,531.53 - Step 5: Solve for x
x = 730,936,546,531.53/988,523.12 - Step 6: Final answer
x = 739,422.81
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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.