Finding the Fourth Proportional to 612,801.23, 845,689.75 and 370,946.97
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Solution
The fourth proportional to 612,801.23, 845,689.75 and 370,946.97 is: 511,921.38
Step by Step Solution
- Step 1: Write the proportion equation
612,801.23 : 845,689.75 = 370,946.97 : x - Step 2: Convert to fraction form
612,801.23/845,689.75 = 370,946.97/x - Step 3: Cross multiply
612,801.23x = 845,689.75 × 370,946.97 - Step 4: Simplify right side
612,801.23x = 313,706,049,395.19 - Step 5: Solve for x
x = 313,706,049,395.19/612,801.23 - Step 6: Final answer
x = 511,921.38
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1.5x scale
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.