Finding the Fourth Proportional to 871,518.08, 1,307,278.15 and 272,482.38
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Solution
The fourth proportional to 871,518.08, 1,307,278.15 and 272,482.38 is: 408,723.89
Step by Step Solution
- Step 1: Write the proportion equation
871,518.08 : 1,307,278.15 = 272,482.38 : x - Step 2: Convert to fraction form
871,518.08/1,307,278.15 = 272,482.38/x - Step 3: Cross multiply
871,518.08x = 1,307,278.15 × 272,482.38 - Step 4: Simplify right side
871,518.08x = 356,210,261,634.00 - Step 5: Solve for x
x = 356,210,261,634.00/871,518.08 - Step 6: Final answer
x = 408,723.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.