Finding the Fourth Proportional to 981,170.69, 1,471,756.05 and 307,304.74
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Solution
The fourth proportional to 981,170.69, 1,471,756.05 and 307,304.74 is: 460,957.11
Step by Step Solution
- Step 1: Write the proportion equation
981,170.69 : 1,471,756.05 = 307,304.74 : x - Step 2: Convert to fraction form
981,170.69/1,471,756.05 = 307,304.74/x - Step 3: Cross multiply
981,170.69x = 1,471,756.05 × 307,304.74 - Step 4: Simplify right side
981,170.69x = 452,277,604,714.04 - Step 5: Solve for x
x = 452,277,604,714.04/981,170.69 - Step 6: Final answer
x = 460,957.11
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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.