Finding the Fourth Proportional to 835,749.35, 1,153,338.70 and 453,776.13
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Solution
The fourth proportional to 835,749.35, 1,153,338.70 and 453,776.13 is: 626,213.55
Step by Step Solution
- Step 1: Write the proportion equation
835,749.35 : 1,153,338.70 = 453,776.13 : x - Step 2: Convert to fraction form
835,749.35/1,153,338.70 = 453,776.13/x - Step 3: Cross multiply
835,749.35x = 1,153,338.70 × 453,776.13 - Step 4: Simplify right side
835,749.35x = 523,357,566,405.77 - Step 5: Solve for x
x = 523,357,566,405.77/835,749.35 - Step 6: Final answer
x = 626,213.55
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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.