Finding the Fourth Proportional to 985,984.29, 1,479,139.94 and 346,122.09
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Solution
The fourth proportional to 985,984.29, 1,479,139.94 and 346,122.09 is: 519,240.53
Step by Step Solution
- Step 1: Write the proportion equation
985,984.29 : 1,479,139.94 = 346,122.09 : x - Step 2: Convert to fraction form
985,984.29/1,479,139.94 = 346,122.09/x - Step 3: Cross multiply
985,984.29x = 1,479,139.94 × 346,122.09 - Step 4: Simplify right side
985,984.29x = 511,963,007,435.28 - Step 5: Solve for x
x = 511,963,007,435.28/985,984.29 - Step 6: Final answer
x = 519,240.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.