Finding the Fourth Proportional to 674,268.48, 930,518.84 and 387,788.84
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Solution
The fourth proportional to 674,268.48, 930,518.84 and 387,788.84 is: 535,164.90
Step by Step Solution
- Step 1: Write the proportion equation
674,268.48 : 930,518.84 = 387,788.84 : x - Step 2: Convert to fraction form
674,268.48/930,518.84 = 387,788.84/x - Step 3: Cross multiply
674,268.48x = 930,518.84 × 387,788.84 - Step 4: Simplify right side
674,268.48x = 360,844,821,561.75 - Step 5: Solve for x
x = 360,844,821,561.75/674,268.48 - Step 6: Final answer
x = 535,164.90
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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.