Finding the Fourth Proportional to 981,553.26, 1,473,117.18 and 508,373.94
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Solution
The fourth proportional to 981,553.26, 1,473,117.18 and 508,373.94 is: 762,968.67
Step by Step Solution
- Step 1: Write the proportion equation
981,553.26 : 1,473,117.18 = 508,373.94 : x - Step 2: Convert to fraction form
981,553.26/1,473,117.18 = 508,373.94/x - Step 3: Cross multiply
981,553.26x = 1,473,117.18 × 508,373.94 - Step 4: Simplify right side
981,553.26x = 748,894,384,878.29 - Step 5: Solve for x
x = 748,894,384,878.29/981,553.26 - Step 6: Final answer
x = 762,968.67
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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.