Finding the Fourth Proportional to 962,576.20, 1,328,428.94 and 549,122.09
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Solution
The fourth proportional to 962,576.20, 1,328,428.94 and 549,122.09 is: 757,830.56
Step by Step Solution
- Step 1: Write the proportion equation
962,576.20 : 1,328,428.94 = 549,122.09 : x - Step 2: Convert to fraction form
962,576.20/1,328,428.94 = 549,122.09/x - Step 3: Cross multiply
962,576.20x = 1,328,428.94 × 549,122.09 - Step 4: Simplify right side
962,576.20x = 729,469,667,247.93 - Step 5: Solve for x
x = 729,469,667,247.93/962,576.20 - Step 6: Final answer
x = 757,830.56
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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.