Finding the Fourth Proportional to 979,466.40, 1,468,689.84 and 348,288.48
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Solution
The fourth proportional to 979,466.40, 1,468,689.84 and 348,288.48 is: 522,251.45
Step by Step Solution
- Step 1: Write the proportion equation
979,466.40 : 1,468,689.84 = 348,288.48 : x - Step 2: Convert to fraction form
979,466.40/1,468,689.84 = 348,288.48/x - Step 3: Cross multiply
979,466.40x = 1,468,689.84 × 348,288.48 - Step 4: Simplify right side
979,466.40x = 511,527,751,965.04 - Step 5: Solve for x
x = 511,527,751,965.04/979,466.40 - Step 6: Final answer
x = 522,251.45
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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.