Finding the Fourth Proportional to 907,762.26, 1,252,721.06 and 499,902.02
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Solution
The fourth proportional to 907,762.26, 1,252,721.06 and 499,902.02 is: 689,869.82
Step by Step Solution
- Step 1: Write the proportion equation
907,762.26 : 1,252,721.06 = 499,902.02 : x - Step 2: Convert to fraction form
907,762.26/1,252,721.06 = 499,902.02/x - Step 3: Cross multiply
907,762.26x = 1,252,721.06 × 499,902.02 - Step 4: Simplify right side
907,762.26x = 626,237,788,390.54 - Step 5: Solve for x
x = 626,237,788,390.54/907,762.26 - Step 6: Final answer
x = 689,869.82
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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.