Finding the Fourth Proportional to 759,727.35, 1,139,659.67 and 219,975.75
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Solution
The fourth proportional to 759,727.35, 1,139,659.67 and 219,975.75 is: 329,983.50
Step by Step Solution
- Step 1: Write the proportion equation
759,727.35 : 1,139,659.67 = 219,975.75 : x - Step 2: Convert to fraction form
759,727.35/1,139,659.67 = 219,975.75/x - Step 3: Cross multiply
759,727.35x = 1,139,659.67 × 219,975.75 - Step 4: Simplify right side
759,727.35x = 250,697,491,202.94 - Step 5: Solve for x
x = 250,697,491,202.94/759,727.35 - Step 6: Final answer
x = 329,983.50
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1.5x scale
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.