Finding the Fourth Proportional to 641,690.52, 963,481.97 and 357,935.47
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Solution
The fourth proportional to 641,690.52, 963,481.97 and 357,935.47 is: 537,430.99
Step by Step Solution
- Step 1: Write the proportion equation
641,690.52 : 963,481.97 = 357,935.47 : x - Step 2: Convert to fraction form
641,690.52/963,481.97 = 357,935.47/x - Step 3: Cross multiply
641,690.52x = 963,481.97 × 357,935.47 - Step 4: Simplify right side
641,690.52x = 344,864,370,254.61 - Step 5: Solve for x
x = 344,864,370,254.61/641,690.52 - Step 6: Final answer
x = 537,430.99
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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.