Finding the Fourth Proportional to 439,589.40, 605,547.54 and 374,847.99
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Solution
The fourth proportional to 439,589.40, 605,547.54 and 374,847.99 is: 516,364.31
Step by Step Solution
- Step 1: Write the proportion equation
439,589.40 : 605,547.54 = 374,847.99 : x - Step 2: Convert to fraction form
439,589.40/605,547.54 = 374,847.99/x - Step 3: Cross multiply
439,589.40x = 605,547.54 × 374,847.99 - Step 4: Simplify right side
439,589.40x = 226,988,278,218.45 - Step 5: Solve for x
x = 226,988,278,218.45/439,589.40 - Step 6: Final answer
x = 516,364.31
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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.