Finding the Fourth Proportional to 961,238.39, 1,442,000.93 and 353,979.99
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Solution
The fourth proportional to 961,238.39, 1,442,000.93 and 353,979.99 is: 531,022.77
Step by Step Solution
- Step 1: Write the proportion equation
961,238.39 : 1,442,000.93 = 353,979.99 : x - Step 2: Convert to fraction form
961,238.39/1,442,000.93 = 353,979.99/x - Step 3: Cross multiply
961,238.39x = 1,442,000.93 × 353,979.99 - Step 4: Simplify right side
961,238.39x = 510,439,473,011.49 - Step 5: Solve for x
x = 510,439,473,011.49/961,238.39 - Step 6: Final answer
x = 531,022.77
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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.