Finding the Fourth Proportional to 981,569.98, 1,472,373.42 and 307,636.36
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Solution
The fourth proportional to 981,569.98, 1,472,373.42 and 307,636.36 is: 461,460.32
Step by Step Solution
- Step 1: Write the proportion equation
981,569.98 : 1,472,373.42 = 307,636.36 : x - Step 2: Convert to fraction form
981,569.98/1,472,373.42 = 307,636.36/x - Step 3: Cross multiply
981,569.98x = 1,472,373.42 × 307,636.36 - Step 4: Simplify right side
981,569.98x = 452,955,592,127.68 - Step 5: Solve for x
x = 452,955,592,127.68/981,569.98 - Step 6: Final answer
x = 461,460.32
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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.