Finding the Fourth Proportional to 866,208.08, 1,195,179.36 and 484,221.80
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Solution
The fourth proportional to 866,208.08, 1,195,179.36 and 484,221.80 is: 668,121.11
Step by Step Solution
- Step 1: Write the proportion equation
866,208.08 : 1,195,179.36 = 484,221.80 : x - Step 2: Convert to fraction form
866,208.08/1,195,179.36 = 484,221.80/x - Step 3: Cross multiply
866,208.08x = 1,195,179.36 × 484,221.80 - Step 4: Simplify right side
866,208.08x = 578,731,901,022.05 - Step 5: Solve for x
x = 578,731,901,022.05/866,208.08 - Step 6: Final answer
x = 668,121.11
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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.