Finding the Fourth Proportional to 835,529.77, 1,153,027.87 and 453,553.21
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Solution
The fourth proportional to 835,529.77, 1,153,027.87 and 453,553.21 is: 625,901.69
Step by Step Solution
- Step 1: Write the proportion equation
835,529.77 : 1,153,027.87 = 453,553.21 : x - Step 2: Convert to fraction form
835,529.77/1,153,027.87 = 453,553.21/x - Step 3: Cross multiply
835,529.77x = 1,153,027.87 × 453,553.21 - Step 4: Simplify right side
835,529.77x = 522,959,491,657.96 - Step 5: Solve for x
x = 522,959,491,657.96/835,529.77 - Step 6: Final answer
x = 625,901.69
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1.5x scale
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.