Finding the Fourth Proportional to 626,361.52, 864,377.88 and 339,881.68
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Solution
The fourth proportional to 626,361.52, 864,377.88 and 339,881.68 is: 469,036.17
Step by Step Solution
- Step 1: Write the proportion equation
626,361.52 : 864,377.88 = 339,881.68 : x - Step 2: Convert to fraction form
626,361.52/864,377.88 = 339,881.68/x - Step 3: Cross multiply
626,361.52x = 864,377.88 × 339,881.68 - Step 4: Simplify right side
626,361.52x = 293,786,206,009.24 - Step 5: Solve for x
x = 293,786,206,009.24/626,361.52 - Step 6: Final answer
x = 469,036.17
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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.