Finding the Fourth Proportional to 962,414.88, 1,328,163.84 and 554,484.66
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Solution
The fourth proportional to 962,414.88, 1,328,163.84 and 554,484.66 is: 765,206.87
Step by Step Solution
- Step 1: Write the proportion equation
962,414.88 : 1,328,163.84 = 554,484.66 : x - Step 2: Convert to fraction form
962,414.88/1,328,163.84 = 554,484.66/x - Step 3: Cross multiply
962,414.88x = 1,328,163.84 × 554,484.66 - Step 4: Simplify right side
962,414.88x = 736,446,475,246.70 - Step 5: Solve for x
x = 736,446,475,246.70/962,414.88 - Step 6: Final answer
x = 765,206.87
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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.