Finding the Fourth Proportional to 805,011.03, 1,207,662.35 and 331,438.05
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Solution
The fourth proportional to 805,011.03, 1,207,662.35 and 331,438.05 is: 497,217.10
Step by Step Solution
- Step 1: Write the proportion equation
805,011.03 : 1,207,662.35 = 331,438.05 : x - Step 2: Convert to fraction form
805,011.03/1,207,662.35 = 331,438.05/x - Step 3: Cross multiply
805,011.03x = 1,207,662.35 × 331,438.05 - Step 4: Simplify right side
805,011.03x = 400,265,252,685.23 - Step 5: Solve for x
x = 400,265,252,685.23/805,011.03 - Step 6: Final answer
x = 497,217.10
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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.