Finding the Fourth Proportional to 681,581.01, 1,022,606.70 and 302,767.08
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Solution
The fourth proportional to 681,581.01, 1,022,606.70 and 302,767.08 is: 454,255.09
Step by Step Solution
- Step 1: Write the proportion equation
681,581.01 : 1,022,606.70 = 302,767.08 : x - Step 2: Convert to fraction form
681,581.01/1,022,606.70 = 302,767.08/x - Step 3: Cross multiply
681,581.01x = 1,022,606.70 × 302,767.08 - Step 4: Simplify right side
681,581.01x = 309,611,644,547.44 - Step 5: Solve for x
x = 309,611,644,547.44/681,581.01 - Step 6: Final answer
x = 454,255.09
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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.