Finding the Fourth Proportional to 917,764.20, 1,375,301.70 and 822,994.20
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Solution
The fourth proportional to 917,764.20, 1,375,301.70 and 822,994.20 is: 1,233,285.55
Step by Step Solution
- Step 1: Write the proportion equation
917,764.20 : 1,375,301.70 = 822,994.20 : x - Step 2: Convert to fraction form
917,764.20/1,375,301.70 = 822,994.20/x - Step 3: Cross multiply
917,764.20x = 1,375,301.70 × 822,994.20 - Step 4: Simplify right side
917,764.20x = 1,131,865,322,350.14 - Step 5: Solve for x
x = 1,131,865,322,350.14/917,764.20 - Step 6: Final answer
x = 1,233,285.55
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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.