Finding the Fourth Proportional to 560,937.32, 774,090.42 and 306,286.70
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Solution
The fourth proportional to 560,937.32, 774,090.42 and 306,286.70 is: 422,673.96
Step by Step Solution
- Step 1: Write the proportion equation
560,937.32 : 774,090.42 = 306,286.70 : x - Step 2: Convert to fraction form
560,937.32/774,090.42 = 306,286.70/x - Step 3: Cross multiply
560,937.32x = 774,090.42 × 306,286.70 - Step 4: Simplify right side
560,937.32x = 237,093,600,243.41 - Step 5: Solve for x
x = 237,093,600,243.41/560,937.32 - Step 6: Final answer
x = 422,673.96
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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.