Finding the Fourth Proportional to 1,005,352.26, 1,509,102.75 and 406,704.75
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Solution
The fourth proportional to 1,005,352.26, 1,509,102.75 and 406,704.75 is: 610,491.75
Step by Step Solution
- Step 1: Write the proportion equation
1,005,352.26 : 1,509,102.75 = 406,704.75 : x - Step 2: Convert to fraction form
1,005,352.26/1,509,102.75 = 406,704.75/x - Step 3: Cross multiply
1,005,352.26x = 1,509,102.75 × 406,704.75 - Step 4: Simplify right side
1,005,352.26x = 613,759,256,663.06 - Step 5: Solve for x
x = 613,759,256,663.06/1,005,352.26 - Step 6: Final answer
x = 610,491.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.