Finding the Fourth Proportional to 719,107.18, 1,078,028.91 and 293,001.31
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Solution
The fourth proportional to 719,107.18, 1,078,028.91 and 293,001.31 is: 439,244.52
Step by Step Solution
- Step 1: Write the proportion equation
719,107.18 : 1,078,028.91 = 293,001.31 : x - Step 2: Convert to fraction form
719,107.18/1,078,028.91 = 293,001.31/x - Step 3: Cross multiply
719,107.18x = 1,078,028.91 × 293,001.31 - Step 4: Simplify right side
719,107.18x = 315,863,884,195.41 - Step 5: Solve for x
x = 315,863,884,195.41/719,107.18 - Step 6: Final answer
x = 439,244.52
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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.