Finding the Fourth Proportional to 560,072.97, 772,959.02 and 345,207.51
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Solution
The fourth proportional to 560,072.97, 772,959.02 and 345,207.51 is: 476,422.31
Step by Step Solution
- Step 1: Write the proportion equation
560,072.97 : 772,959.02 = 345,207.51 : x - Step 2: Convert to fraction form
560,072.97/772,959.02 = 345,207.51/x - Step 3: Cross multiply
560,072.97x = 772,959.02 × 345,207.51 - Step 4: Simplify right side
560,072.97x = 266,831,258,626.24 - Step 5: Solve for x
x = 266,831,258,626.24/560,072.97 - Step 6: Final answer
x = 476,422.31
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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.