Finding the Fourth Proportional to 901,340.74, 1,244,693.36 and 579,609.82
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Solution
The fourth proportional to 901,340.74, 1,244,693.36 and 579,609.82 is: 800,403.73
Step by Step Solution
- Step 1: Write the proportion equation
901,340.74 : 1,244,693.36 = 579,609.82 : x - Step 2: Convert to fraction form
901,340.74/1,244,693.36 = 579,609.82/x - Step 3: Cross multiply
901,340.74x = 1,244,693.36 × 579,609.82 - Step 4: Simplify right side
901,340.74x = 721,436,494,558.48 - Step 5: Solve for x
x = 721,436,494,558.48/901,340.74 - Step 6: Final answer
x = 800,403.73
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1.5x scale
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.