Finding the Fourth Proportional to 928,107.16, 1,280,332.38 and 605,668.12
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Solution
The fourth proportional to 928,107.16, 1,280,332.38 and 605,668.12 is: 835,524.75
Step by Step Solution
- Step 1: Write the proportion equation
928,107.16 : 1,280,332.38 = 605,668.12 : x - Step 2: Convert to fraction form
928,107.16/1,280,332.38 = 605,668.12/x - Step 3: Cross multiply
928,107.16x = 1,280,332.38 × 605,668.12 - Step 4: Simplify right side
928,107.16x = 775,456,505,569.73 - Step 5: Solve for x
x = 775,456,505,569.73/928,107.16 - Step 6: Final answer
x = 835,524.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.