Finding the Fourth Proportional to 835,721.96, 1,153,289.70 and 453,741
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Solution
The fourth proportional to 835,721.96, 1,153,289.70 and 453,741 is: 626,158.99
Step by Step Solution
- Step 1: Write the proportion equation
835,721.96 : 1,153,289.70 = 453,741 : x - Step 2: Convert to fraction form
835,721.96/1,153,289.70 = 453,741/x - Step 3: Cross multiply
835,721.96x = 1,153,289.70 × 453,741 - Step 4: Simplify right side
835,721.96x = 523,294,821,767.70 - Step 5: Solve for x
x = 523,294,821,767.70/835,721.96 - Step 6: Final answer
x = 626,158.99
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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.