Finding the Fourth Proportional to 753,329.43, 1,039,601.79 and 413,797.68
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Solution
The fourth proportional to 753,329.43, 1,039,601.79 and 413,797.68 is: 571,044.74
Step by Step Solution
- Step 1: Write the proportion equation
753,329.43 : 1,039,601.79 = 413,797.68 : x - Step 2: Convert to fraction form
753,329.43/1,039,601.79 = 413,797.68/x - Step 3: Cross multiply
753,329.43x = 1,039,601.79 × 413,797.68 - Step 4: Simplify right side
753,329.43x = 430,184,808,825.85 - Step 5: Solve for x
x = 430,184,808,825.85/753,329.43 - Step 6: Final answer
x = 571,044.74
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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.