Finding the Fourth Proportional to 907,531.37, 1,252,370.40 and 499,629.14
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Solution
The fourth proportional to 907,531.37, 1,252,370.40 and 499,629.14 is: 689,475.61
Step by Step Solution
- Step 1: Write the proportion equation
907,531.37 : 1,252,370.40 = 499,629.14 : x - Step 2: Convert to fraction form
907,531.37/1,252,370.40 = 499,629.14/x - Step 3: Cross multiply
907,531.37x = 1,252,370.40 × 499,629.14 - Step 4: Simplify right side
907,531.37x = 625,720,745,913.46 - Step 5: Solve for x
x = 625,720,745,913.46/907,531.37 - Step 6: Final answer
x = 689,475.61
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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.