Finding the Fourth Proportional to 981,122.98, 1,471,866.99 and 341,400.10
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Solution
The fourth proportional to 981,122.98, 1,471,866.99 and 341,400.10 is: 512,163.66
Step by Step Solution
- Step 1: Write the proportion equation
981,122.98 : 1,471,866.99 = 341,400.10 : x - Step 2: Convert to fraction form
981,122.98/1,471,866.99 = 341,400.10/x - Step 3: Cross multiply
981,122.98x = 1,471,866.99 × 341,400.10 - Step 4: Simplify right side
981,122.98x = 502,495,537,572.70 - Step 5: Solve for x
x = 502,495,537,572.70/981,122.98 - Step 6: Final answer
x = 512,163.66
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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.