Finding the Fourth Proportional to 917,351.80, 1,376,027.70 and 664,097.20
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Solution
The fourth proportional to 917,351.80, 1,376,027.70 and 664,097.20 is: 996,145.80
Step by Step Solution
- Step 1: Write the proportion equation
917,351.80 : 1,376,027.70 = 664,097.20 : x - Step 2: Convert to fraction form
917,351.80/1,376,027.70 = 664,097.20/x - Step 3: Cross multiply
917,351.80x = 1,376,027.70 × 664,097.20 - Step 4: Simplify right side
917,351.80x = 913,816,142,692.44 - Step 5: Solve for x
x = 913,816,142,692.44/917,351.80 - Step 6: Final answer
x = 996,145.80
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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.