Finding the Fourth Proportional to 907,703.06, 1,252,580.09 and 499,788.68
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Solution
The fourth proportional to 907,703.06, 1,252,580.09 and 499,788.68 is: 689,680.77
Step by Step Solution
- Step 1: Write the proportion equation
907,703.06 : 1,252,580.09 = 499,788.68 : x - Step 2: Convert to fraction form
907,703.06/1,252,580.09 = 499,788.68/x - Step 3: Cross multiply
907,703.06x = 1,252,580.09 × 499,788.68 - Step 4: Simplify right side
907,703.06x = 626,025,341,013.54 - Step 5: Solve for x
x = 626,025,341,013.54/907,703.06 - Step 6: Final answer
x = 689,680.77
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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.