Finding the Fourth Proportional to 571,497.11, 855,563.98 and 381,486.17
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Solution
The fourth proportional to 571,497.11, 855,563.98 and 381,486.17 is: 571,106.69
Step by Step Solution
- Step 1: Write the proportion equation
571,497.11 : 855,563.98 = 381,486.17 : x - Step 2: Convert to fraction form
571,497.11/855,563.98 = 381,486.17/x - Step 3: Cross multiply
571,497.11x = 855,563.98 × 381,486.17 - Step 4: Simplify right side
571,497.11x = 326,385,824,012.73 - Step 5: Solve for x
x = 326,385,824,012.73/571,497.11 - Step 6: Final answer
x = 571,106.69
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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.