Finding the Fourth Proportional to 876,889.62, 1,315,393.86 and 308,201.58
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Solution
The fourth proportional to 876,889.62, 1,315,393.86 and 308,201.58 is: 462,323.26
Step by Step Solution
- Step 1: Write the proportion equation
876,889.62 : 1,315,393.86 = 308,201.58 : x - Step 2: Convert to fraction form
876,889.62/1,315,393.86 = 308,201.58/x - Step 3: Cross multiply
876,889.62x = 1,315,393.86 × 308,201.58 - Step 4: Simplify right side
876,889.62x = 405,406,465,974.30 - Step 5: Solve for x
x = 405,406,465,974.30/876,889.62 - Step 6: Final answer
x = 462,323.26
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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.