Finding the Fourth Proportional to 748,552.38, 1,120,816.49 and 570,209.82
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Solution
The fourth proportional to 748,552.38, 1,120,816.49 and 570,209.82 is: 853,782.03
Step by Step Solution
- Step 1: Write the proportion equation
748,552.38 : 1,120,816.49 = 570,209.82 : x - Step 2: Convert to fraction form
748,552.38/1,120,816.49 = 570,209.82/x - Step 3: Cross multiply
748,552.38x = 1,120,816.49 × 570,209.82 - Step 4: Simplify right side
748,552.38x = 639,100,569,015.93 - Step 5: Solve for x
x = 639,100,569,015.93/748,552.38 - Step 6: Final answer
x = 853,782.03
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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.