Finding the Fourth Proportional to 518,750.60, 775,793.10 and 434,769.80
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Solution
The fourth proportional to 518,750.60, 775,793.10 and 434,769.80 is: 650,199.56
Step by Step Solution
- Step 1: Write the proportion equation
518,750.60 : 775,793.10 = 434,769.80 : x - Step 2: Convert to fraction form
518,750.60/775,793.10 = 434,769.80/x - Step 3: Cross multiply
518,750.60x = 775,793.10 × 434,769.80 - Step 4: Simplify right side
518,750.60x = 337,291,410,928.38 - Step 5: Solve for x
x = 337,291,410,928.38/518,750.60 - Step 6: Final answer
x = 650,199.56
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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.