Finding the Fourth Proportional to 926,768.68, 1,278,281.22 and 850,534.12
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Solution
The fourth proportional to 926,768.68, 1,278,281.22 and 850,534.12 is: 1,173,131.78
Step by Step Solution
- Step 1: Write the proportion equation
926,768.68 : 1,278,281.22 = 850,534.12 : x - Step 2: Convert to fraction form
926,768.68/1,278,281.22 = 850,534.12/x - Step 3: Cross multiply
926,768.68x = 1,278,281.22 × 850,534.12 - Step 4: Simplify right side
926,768.68x = 1,087,221,792,565.23 - Step 5: Solve for x
x = 1,087,221,792,565.23/926,768.68 - Step 6: Final answer
x = 1,173,131.78
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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.