Finding the Fourth Proportional to 734,561.69, 1,013,797.37 and 407,948.09
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Solution
The fourth proportional to 734,561.69, 1,013,797.37 and 407,948.09 is: 563,025.14
Step by Step Solution
- Step 1: Write the proportion equation
734,561.69 : 1,013,797.37 = 407,948.09 : x - Step 2: Convert to fraction form
734,561.69/1,013,797.37 = 407,948.09/x - Step 3: Cross multiply
734,561.69x = 1,013,797.37 × 407,948.09 - Step 4: Simplify right side
734,561.69x = 413,576,698,698.78 - Step 5: Solve for x
x = 413,576,698,698.78/734,561.69 - Step 6: Final answer
x = 563,025.14
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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.