Finding the Fourth Proportional to 980,658.63, 1,471,072.41 and 270,686.70
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Solution
The fourth proportional to 980,658.63, 1,471,072.41 and 270,686.70 is: 406,053.36
Step by Step Solution
- Step 1: Write the proportion equation
980,658.63 : 1,471,072.41 = 270,686.70 : x - Step 2: Convert to fraction form
980,658.63/1,471,072.41 = 270,686.70/x - Step 3: Cross multiply
980,658.63x = 1,471,072.41 × 270,686.70 - Step 4: Simplify right side
980,658.63x = 398,199,736,123.95 - Step 5: Solve for x
x = 398,199,736,123.95/980,658.63 - Step 6: Final answer
x = 406,053.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.