Finding the Fourth Proportional to 944,063.68, 1,415,789.28 and 312,808
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Solution
The fourth proportional to 944,063.68, 1,415,789.28 and 312,808 is: 469,110.53
Step by Step Solution
- Step 1: Write the proportion equation
944,063.68 : 1,415,789.28 = 312,808 : x - Step 2: Convert to fraction form
944,063.68/1,415,789.28 = 312,808/x - Step 3: Cross multiply
944,063.68x = 1,415,789.28 × 312,808 - Step 4: Simplify right side
944,063.68x = 442,870,213,098.24 - Step 5: Solve for x
x = 442,870,213,098.24/944,063.68 - Step 6: Final answer
x = 469,110.53
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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.