Finding the Fourth Proportional to 699,541.10, 965,528.08 and 409,287.74
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Solution
The fourth proportional to 699,541.10, 965,528.08 and 409,287.74 is: 564,911.49
Step by Step Solution
- Step 1: Write the proportion equation
699,541.10 : 965,528.08 = 409,287.74 : x - Step 2: Convert to fraction form
699,541.10/965,528.08 = 409,287.74/x - Step 3: Cross multiply
699,541.10x = 965,528.08 × 409,287.74 - Step 4: Simplify right side
699,541.10x = 395,178,805,769.74 - Step 5: Solve for x
x = 395,178,805,769.74/699,541.10 - Step 6: Final answer
x = 564,911.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.