Finding the Fourth Proportional to 981,218.18, 1,354,036.61 and 573,357.26
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Solution
The fourth proportional to 981,218.18, 1,354,036.61 and 573,357.26 is: 791,207.02
Step by Step Solution
- Step 1: Write the proportion equation
981,218.18 : 1,354,036.61 = 573,357.26 : x - Step 2: Convert to fraction form
981,218.18/1,354,036.61 = 573,357.26/x - Step 3: Cross multiply
981,218.18x = 1,354,036.61 × 573,357.26 - Step 4: Simplify right side
981,218.18x = 776,346,711,012.32 - Step 5: Solve for x
x = 776,346,711,012.32/981,218.18 - Step 6: Final answer
x = 791,207.02
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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.