Finding the Fourth Proportional to 763,161.48, 1,053,110.16 and 423,603
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Solution
The fourth proportional to 763,161.48, 1,053,110.16 and 423,603 is: 584,542.90
Step by Step Solution
- Step 1: Write the proportion equation
763,161.48 : 1,053,110.16 = 423,603 : x - Step 2: Convert to fraction form
763,161.48/1,053,110.16 = 423,603/x - Step 3: Cross multiply
763,161.48x = 1,053,110.16 × 423,603 - Step 4: Simplify right side
763,161.48x = 446,100,623,106.48 - Step 5: Solve for x
x = 446,100,623,106.48/763,161.48 - Step 6: Final answer
x = 584,542.90
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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.