Finding the Fourth Proportional to 751,047.12, 1,036,486.53 and 428,860.71
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Solution
The fourth proportional to 751,047.12, 1,036,486.53 and 428,860.71 is: 591,851.48
Step by Step Solution
- Step 1: Write the proportion equation
751,047.12 : 1,036,486.53 = 428,860.71 : x - Step 2: Convert to fraction form
751,047.12/1,036,486.53 = 428,860.71/x - Step 3: Cross multiply
751,047.12x = 1,036,486.53 × 428,860.71 - Step 4: Simplify right side
751,047.12x = 444,508,349,161.24 - Step 5: Solve for x
x = 444,508,349,161.24/751,047.12 - Step 6: Final answer
x = 591,851.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.