Finding the Fourth Proportional to 751,913.12, 1,127,419.19 and 239,356.80
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Solution
The fourth proportional to 751,913.12, 1,127,419.19 and 239,356.80 is: 358,891.80
Step by Step Solution
- Step 1: Write the proportion equation
751,913.12 : 1,127,419.19 = 239,356.80 : x - Step 2: Convert to fraction form
751,913.12/1,127,419.19 = 239,356.80/x - Step 3: Cross multiply
751,913.12x = 1,127,419.19 × 239,356.80 - Step 4: Simplify right side
751,913.12x = 269,855,448,380.21 - Step 5: Solve for x
x = 269,855,448,380.21/751,913.12 - Step 6: Final answer
x = 358,891.80
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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.