Finding the Fourth Proportional to 871,052.40, 1,305,960.84 and 338,124.24
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Solution
The fourth proportional to 871,052.40, 1,305,960.84 and 338,124.24 is: 506,946.56
Step by Step Solution
- Step 1: Write the proportion equation
871,052.40 : 1,305,960.84 = 338,124.24 : x - Step 2: Convert to fraction form
871,052.40/1,305,960.84 = 338,124.24/x - Step 3: Cross multiply
871,052.40x = 1,305,960.84 × 338,124.24 - Step 4: Simplify right side
871,052.40x = 441,577,016,494.76 - Step 5: Solve for x
x = 441,577,016,494.76/871,052.40 - Step 6: Final answer
x = 506,946.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.