Finding the Fourth Proportional to 576,251.60, 863,599.80 and 409,845.20
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Solution
The fourth proportional to 576,251.60, 863,599.80 and 409,845.20 is: 614,214.75
Step by Step Solution
- Step 1: Write the proportion equation
576,251.60 : 863,599.80 = 409,845.20 : x - Step 2: Convert to fraction form
576,251.60/863,599.80 = 409,845.20/x - Step 3: Cross multiply
576,251.60x = 863,599.80 × 409,845.20 - Step 4: Simplify right side
576,251.60x = 353,942,232,750.96 - Step 5: Solve for x
x = 353,942,232,750.96/576,251.60 - Step 6: Final answer
x = 614,214.75
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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.