Finding the Fourth Proportional to 979,357.64, 1,468,519.61 and 305,313.30
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Solution
The fourth proportional to 979,357.64, 1,468,519.61 and 305,313.30 is: 457,808.82
Step by Step Solution
- Step 1: Write the proportion equation
979,357.64 : 1,468,519.61 = 305,313.30 : x - Step 2: Convert to fraction form
979,357.64/1,468,519.61 = 305,313.30/x - Step 3: Cross multiply
979,357.64x = 1,468,519.61 × 305,313.30 - Step 4: Simplify right side
979,357.64x = 448,358,566,717.25 - Step 5: Solve for x
x = 448,358,566,717.25/979,357.64 - Step 6: Final answer
x = 457,808.82
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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.