Finding the Fourth Proportional to 864,879.12, 1,297,442.61 and 265,890.42
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Solution
The fourth proportional to 864,879.12, 1,297,442.61 and 265,890.42 is: 398,873.73
Step by Step Solution
- Step 1: Write the proportion equation
864,879.12 : 1,297,442.61 = 265,890.42 : x - Step 2: Convert to fraction form
864,879.12/1,297,442.61 = 265,890.42/x - Step 3: Cross multiply
864,879.12x = 1,297,442.61 × 265,890.42 - Step 4: Simplify right side
864,879.12x = 344,977,560,498.80 - Step 5: Solve for x
x = 344,977,560,498.80/864,879.12 - Step 6: Final answer
x = 398,873.73
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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.