Finding the Fourth Proportional to 730,058.19, 1,007,469.68 and 407,772.87
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Solution
The fourth proportional to 730,058.19, 1,007,469.68 and 407,772.87 is: 562,720.62
Step by Step Solution
- Step 1: Write the proportion equation
730,058.19 : 1,007,469.68 = 407,772.87 : x - Step 2: Convert to fraction form
730,058.19/1,007,469.68 = 407,772.87/x - Step 3: Cross multiply
730,058.19x = 1,007,469.68 × 407,772.87 - Step 4: Simplify right side
730,058.19x = 410,818,797,814.23 - Step 5: Solve for x
x = 410,818,797,814.23/730,058.19 - Step 6: Final answer
x = 562,720.62
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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.