Finding the Fourth Proportional to 753,576.57, 1,039,678.47 and 466,992.09
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Solution
The fourth proportional to 753,576.57, 1,039,678.47 and 466,992.09 is: 644,289.70
Step by Step Solution
- Step 1: Write the proportion equation
753,576.57 : 1,039,678.47 = 466,992.09 : x - Step 2: Convert to fraction form
753,576.57/1,039,678.47 = 466,992.09/x - Step 3: Cross multiply
753,576.57x = 1,039,678.47 × 466,992.09 - Step 4: Simplify right side
753,576.57x = 485,521,622,508.91 - Step 5: Solve for x
x = 485,521,622,508.91/753,576.57 - Step 6: Final answer
x = 644,289.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.