Finding the Fourth Proportional to 981,847.30, 1,473,116.55 and 482,877.70
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Solution
The fourth proportional to 981,847.30, 1,473,116.55 and 482,877.70 is: 724,486.52
Step by Step Solution
- Step 1: Write the proportion equation
981,847.30 : 1,473,116.55 = 482,877.70 : x - Step 2: Convert to fraction form
981,847.30/1,473,116.55 = 482,877.70/x - Step 3: Cross multiply
981,847.30x = 1,473,116.55 × 482,877.70 - Step 4: Simplify right side
981,847.30x = 711,335,131,495.94 - Step 5: Solve for x
x = 711,335,131,495.94/981,847.30 - Step 6: Final answer
x = 724,486.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.