Finding the Fourth Proportional to 970,006.26, 1,338,145.02 and 753,665.70
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Solution
The fourth proportional to 970,006.26, 1,338,145.02 and 753,665.70 is: 1,039,698.45
Step by Step Solution
- Step 1: Write the proportion equation
970,006.26 : 1,338,145.02 = 753,665.70 : x - Step 2: Convert to fraction form
970,006.26/1,338,145.02 = 753,665.70/x - Step 3: Cross multiply
970,006.26x = 1,338,145.02 × 753,665.70 - Step 4: Simplify right side
970,006.26x = 1,008,514,003,199.81 - Step 5: Solve for x
x = 1,008,514,003,199.81/970,006.26 - Step 6: Final answer
x = 1,039,698.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.