Finding the Fourth Proportional to 756,398.74, 1,043,816.16 and 412,237.48
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Solution
The fourth proportional to 756,398.74, 1,043,816.16 and 412,237.48 is: 568,880.04
Step by Step Solution
- Step 1: Write the proportion equation
756,398.74 : 1,043,816.16 = 412,237.48 : x - Step 2: Convert to fraction form
756,398.74/1,043,816.16 = 412,237.48/x - Step 3: Cross multiply
756,398.74x = 1,043,816.16 × 412,237.48 - Step 4: Simplify right side
756,398.74x = 430,300,143,381.68 - Step 5: Solve for x
x = 430,300,143,381.68/756,398.74 - Step 6: Final answer
x = 568,880.04
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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.