Finding the Fourth Proportional to 907,686.07, 1,361,676.87 and 268,054.49
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Solution
The fourth proportional to 907,686.07, 1,361,676.87 and 268,054.49 is: 402,125.38
Step by Step Solution
- Step 1: Write the proportion equation
907,686.07 : 1,361,676.87 = 268,054.49 : x - Step 2: Convert to fraction form
907,686.07/1,361,676.87 = 268,054.49/x - Step 3: Cross multiply
907,686.07x = 1,361,676.87 × 268,054.49 - Step 4: Simplify right side
907,686.07x = 365,003,602,336.84 - Step 5: Solve for x
x = 365,003,602,336.84/907,686.07 - Step 6: Final answer
x = 402,125.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.