Finding the Fourth Proportional to 763,884.84, 1,053,722.37 and 476,906.70
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Solution
The fourth proportional to 763,884.84, 1,053,722.37 and 476,906.70 is: 657,857.35
Step by Step Solution
- Step 1: Write the proportion equation
763,884.84 : 1,053,722.37 = 476,906.70 : x - Step 2: Convert to fraction form
763,884.84/1,053,722.37 = 476,906.70/x - Step 3: Cross multiply
763,884.84x = 1,053,722.37 × 476,906.70 - Step 4: Simplify right side
763,884.84x = 502,527,258,192.88 - Step 5: Solve for x
x = 502,527,258,192.88/763,884.84 - Step 6: Final answer
x = 657,857.35
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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.