Finding the Fourth Proportional to 907,525.62, 1,252,362.47 and 499,623.39
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Solution
The fourth proportional to 907,525.62, 1,252,362.47 and 499,623.39 is: 689,467.68
Step by Step Solution
- Step 1: Write the proportion equation
907,525.62 : 1,252,362.47 = 499,623.39 : x - Step 2: Convert to fraction form
907,525.62/1,252,362.47 = 499,623.39/x - Step 3: Cross multiply
907,525.62x = 1,252,362.47 × 499,623.39 - Step 4: Simplify right side
907,525.62x = 625,709,580,272.06 - Step 5: Solve for x
x = 625,709,580,272.06/907,525.62 - Step 6: Final answer
x = 689,467.68
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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.