Finding the Fourth Proportional to 871,208.83, 1,306,310.37 and 338,106.79
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Solution
The fourth proportional to 871,208.83, 1,306,310.37 and 338,106.79 is: 506,965.02
Step by Step Solution
- Step 1: Write the proportion equation
871,208.83 : 1,306,310.37 = 338,106.79 : x - Step 2: Convert to fraction form
871,208.83/1,306,310.37 = 338,106.79/x - Step 3: Cross multiply
871,208.83x = 1,306,310.37 × 338,106.79 - Step 4: Simplify right side
871,208.83x = 441,672,405,944.41 - Step 5: Solve for x
x = 441,672,405,944.41/871,208.83 - Step 6: Final answer
x = 506,965.02
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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.