Finding the Fourth Proportional to 871,219.73, 1,202,455.35 and 556,690.52
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Solution
The fourth proportional to 871,219.73, 1,202,455.35 and 556,690.52 is: 768,342.90
Step by Step Solution
- Step 1: Write the proportion equation
871,219.73 : 1,202,455.35 = 556,690.52 : x - Step 2: Convert to fraction form
871,219.73/1,202,455.35 = 556,690.52/x - Step 3: Cross multiply
871,219.73x = 1,202,455.35 × 556,690.52 - Step 4: Simplify right side
871,219.73x = 669,395,497,074.42 - Step 5: Solve for x
x = 669,395,497,074.42/871,219.73 - Step 6: Final answer
x = 768,342.90
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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.