Finding the Fourth Proportional to 872,241.32, 1,203,516.57 and 509,595.12
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Solution
The fourth proportional to 872,241.32, 1,203,516.57 and 509,595.12 is: 703,138.18
Step by Step Solution
- Step 1: Write the proportion equation
872,241.32 : 1,203,516.57 = 509,595.12 : x - Step 2: Convert to fraction form
872,241.32/1,203,516.57 = 509,595.12/x - Step 3: Cross multiply
872,241.32x = 1,203,516.57 × 509,595.12 - Step 4: Simplify right side
872,241.32x = 613,306,170,911.14 - Step 5: Solve for x
x = 613,306,170,911.14/872,241.32 - Step 6: Final answer
x = 703,138.18
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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.