Finding the Fourth Proportional to 907,640.16, 1,252,533.09 and 499,733.67
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Solution
The fourth proportional to 907,640.16, 1,252,533.09 and 499,733.67 is: 689,626.78
Step by Step Solution
- Step 1: Write the proportion equation
907,640.16 : 1,252,533.09 = 499,733.67 : x - Step 2: Convert to fraction form
907,640.16/1,252,533.09 = 499,733.67/x - Step 3: Cross multiply
907,640.16x = 1,252,533.09 × 499,733.67 - Step 4: Simplify right side
907,640.16x = 625,932,957,862.14 - Step 5: Solve for x
x = 625,932,957,862.14/907,640.16 - Step 6: Final answer
x = 689,626.78
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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.