Finding the Fourth Proportional to 560,966.64, 774,133.88 and 306,318.06
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Solution
The fourth proportional to 560,966.64, 774,133.88 and 306,318.06 is: 422,718.88
Step by Step Solution
- Step 1: Write the proportion equation
560,966.64 : 774,133.88 = 306,318.06 : x - Step 2: Convert to fraction form
560,966.64/774,133.88 = 306,318.06/x - Step 3: Cross multiply
560,966.64x = 774,133.88 × 306,318.06 - Step 4: Simplify right side
560,966.64x = 237,131,188,301.87 - Step 5: Solve for x
x = 237,131,188,301.87/560,966.64 - Step 6: Final answer
x = 422,718.88
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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.