Finding the Fourth Proportional to 740,805.08, 1,022,310.06 and 401,274.68
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Solution
The fourth proportional to 740,805.08, 1,022,310.06 and 401,274.68 is: 553,758.54
Step by Step Solution
- Step 1: Write the proportion equation
740,805.08 : 1,022,310.06 = 401,274.68 : x - Step 2: Convert to fraction form
740,805.08/1,022,310.06 = 401,274.68/x - Step 3: Cross multiply
740,805.08x = 1,022,310.06 × 401,274.68 - Step 4: Simplify right side
740,805.08x = 410,227,142,187.28 - Step 5: Solve for x
x = 410,227,142,187.28/740,805.08 - Step 6: Final answer
x = 553,758.54
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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.