Finding the Fourth Proportional to 906,828.19, 1,250,891.40 and 580,021.95
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Solution
The fourth proportional to 906,828.19, 1,250,891.40 and 580,021.95 is: 800,090.34
Step by Step Solution
- Step 1: Write the proportion equation
906,828.19 : 1,250,891.40 = 580,021.95 : x - Step 2: Convert to fraction form
906,828.19/1,250,891.40 = 580,021.95/x - Step 3: Cross multiply
906,828.19x = 1,250,891.40 × 580,021.95 - Step 4: Simplify right side
906,828.19x = 725,544,475,932.16 - Step 5: Solve for x
x = 725,544,475,932.16/906,828.19 - Step 6: Final answer
x = 800,090.34
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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.