Finding the Fourth Proportional to 931,306.68, 1,395,791.84 and 398,201.92
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Solution
The fourth proportional to 931,306.68, 1,395,791.84 and 398,201.92 is: 596,803.40
Step by Step Solution
- Step 1: Write the proportion equation
931,306.68 : 1,395,791.84 = 398,201.92 : x - Step 2: Convert to fraction form
931,306.68/1,395,791.84 = 398,201.92/x - Step 3: Cross multiply
931,306.68x = 1,395,791.84 × 398,201.92 - Step 4: Simplify right side
931,306.68x = 555,806,990,608.33 - Step 5: Solve for x
x = 555,806,990,608.33/931,306.68 - Step 6: Final answer
x = 596,803.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.