Finding the Fourth Proportional to 886,719.80, 1,330,274.10 and 437,655.80
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Solution
The fourth proportional to 886,719.80, 1,330,274.10 and 437,655.80 is: 656,579.65
Step by Step Solution
- Step 1: Write the proportion equation
886,719.80 : 1,330,274.10 = 437,655.80 : x - Step 2: Convert to fraction form
886,719.80/1,330,274.10 = 437,655.80/x - Step 3: Cross multiply
886,719.80x = 1,330,274.10 × 437,655.80 - Step 4: Simplify right side
886,719.80x = 582,202,175,454.78 - Step 5: Solve for x
x = 582,202,175,454.78/886,719.80 - Step 6: Final answer
x = 656,579.65
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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.