Finding the Fourth Proportional to 931,877.39, 1,286,096.67 and 518,455.08
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Solution
The fourth proportional to 931,877.39, 1,286,096.67 and 518,455.08 is: 715,526.91
Step by Step Solution
- Step 1: Write the proportion equation
931,877.39 : 1,286,096.67 = 518,455.08 : x - Step 2: Convert to fraction form
931,877.39/1,286,096.67 = 518,455.08/x - Step 3: Cross multiply
931,877.39x = 1,286,096.67 × 518,455.08 - Step 4: Simplify right side
931,877.39x = 666,783,351,932.58 - Step 5: Solve for x
x = 666,783,351,932.58/931,877.39 - Step 6: Final answer
x = 715,526.91
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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.