Finding the Fourth Proportional to 624,802.11, 862,290.56 and 450,515.68
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Solution
The fourth proportional to 624,802.11, 862,290.56 and 450,515.68 is: 621,757.53
Step by Step Solution
- Step 1: Write the proportion equation
624,802.11 : 862,290.56 = 450,515.68 : x - Step 2: Convert to fraction form
624,802.11/862,290.56 = 450,515.68/x - Step 3: Cross multiply
624,802.11x = 862,290.56 × 450,515.68 - Step 4: Simplify right side
624,802.11x = 388,475,417,995.98 - Step 5: Solve for x
x = 388,475,417,995.98/624,802.11 - Step 6: Final answer
x = 621,757.53
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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.