Finding the Fourth Proportional to 441,216.11, 609,011.33 and 381,428.99
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Solution
The fourth proportional to 441,216.11, 609,011.33 and 381,428.99 is: 526,487.07
Step by Step Solution
- Step 1: Write the proportion equation
441,216.11 : 609,011.33 = 381,428.99 : x - Step 2: Convert to fraction form
441,216.11/609,011.33 = 381,428.99/x - Step 3: Cross multiply
441,216.11x = 609,011.33 × 381,428.99 - Step 4: Simplify right side
441,216.11x = 232,294,576,500.46 - Step 5: Solve for x
x = 232,294,576,500.46/441,216.11 - Step 6: Final answer
x = 526,487.07
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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.