Finding the Fourth Proportional to 734,810.93, 1,013,969.09 and 412,447.13
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Solution
The fourth proportional to 734,810.93, 1,013,969.09 and 412,447.13 is: 569,137.75
Step by Step Solution
- Step 1: Write the proportion equation
734,810.93 : 1,013,969.09 = 412,447.13 : x - Step 2: Convert to fraction form
734,810.93/1,013,969.09 = 412,447.13/x - Step 3: Cross multiply
734,810.93x = 1,013,969.09 × 412,447.13 - Step 4: Simplify right side
734,810.93x = 418,208,637,040.48 - Step 5: Solve for x
x = 418,208,637,040.48/734,810.93 - Step 6: Final answer
x = 569,137.75
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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.