Finding the Fourth Proportional to 628,112.64, 935,517.12 and 625,054.08
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Solution
The fourth proportional to 628,112.64, 935,517.12 and 625,054.08 is: 930,961.67
Step by Step Solution
- Step 1: Write the proportion equation
628,112.64 : 935,517.12 = 625,054.08 : x - Step 2: Convert to fraction form
628,112.64/935,517.12 = 625,054.08/x - Step 3: Cross multiply
628,112.64x = 935,517.12 × 625,054.08 - Step 4: Simplify right side
628,112.64x = 584,748,792,765.85 - Step 5: Solve for x
x = 584,748,792,765.85/628,112.64 - Step 6: Final answer
x = 930,961.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.