Finding the Fourth Proportional to 626,274.30, 864,261.99 and 339,794.94
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Solution
The fourth proportional to 626,274.30, 864,261.99 and 339,794.94 is: 468,918.89
Step by Step Solution
- Step 1: Write the proportion equation
626,274.30 : 864,261.99 = 339,794.94 : x - Step 2: Convert to fraction form
626,274.30/864,261.99 = 339,794.94/x - Step 3: Cross multiply
626,274.30x = 864,261.99 × 339,794.94 - Step 4: Simplify right side
626,274.30x = 293,671,851,036.33 - Step 5: Solve for x
x = 293,671,851,036.33/626,274.30 - Step 6: Final answer
x = 468,918.89
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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.