Finding the Fourth Proportional to 893,247.12, 1,232,690.76 and 490,839.12
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Solution
The fourth proportional to 893,247.12, 1,232,690.76 and 490,839.12 is: 677,363.33
Step by Step Solution
- Step 1: Write the proportion equation
893,247.12 : 1,232,690.76 = 490,839.12 : x - Step 2: Convert to fraction form
893,247.12/1,232,690.76 = 490,839.12/x - Step 3: Cross multiply
893,247.12x = 1,232,690.76 × 490,839.12 - Step 4: Simplify right side
893,247.12x = 605,052,847,870.53 - Step 5: Solve for x
x = 605,052,847,870.53/893,247.12 - Step 6: Final answer
x = 677,363.33
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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.