Finding the Fourth Proportional to 801,733.77, 1,201,731.12 and 401,409.09
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Solution
The fourth proportional to 801,733.77, 1,201,731.12 and 401,409.09 is: 601,678.28
Step by Step Solution
- Step 1: Write the proportion equation
801,733.77 : 1,201,731.12 = 401,409.09 : x - Step 2: Convert to fraction form
801,733.77/1,201,731.12 = 401,409.09/x - Step 3: Cross multiply
801,733.77x = 1,201,731.12 × 401,409.09 - Step 4: Simplify right side
801,733.77x = 482,385,795,303.88 - Step 5: Solve for x
x = 482,385,795,303.88/801,733.77 - Step 6: Final answer
x = 601,678.28
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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.