Finding the Fourth Proportional to 679,821.30, 1,019,828.97 and 253,320.75
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Solution
The fourth proportional to 679,821.30, 1,019,828.97 and 253,320.75 is: 380,017.28
Step by Step Solution
- Step 1: Write the proportion equation
679,821.30 : 1,019,828.97 = 253,320.75 : x - Step 2: Convert to fraction form
679,821.30/1,019,828.97 = 253,320.75/x - Step 3: Cross multiply
679,821.30x = 1,019,828.97 × 253,320.75 - Step 4: Simplify right side
679,821.30x = 258,343,839,552.13 - Step 5: Solve for x
x = 258,343,839,552.13/679,821.30 - Step 6: Final answer
x = 380,017.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.