Finding the Fourth Proportional to 901,557.52, 1,244,232.84 and 499,149.52
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Solution
The fourth proportional to 901,557.52, 1,244,232.84 and 499,149.52 is: 688,872.55
Step by Step Solution
- Step 1: Write the proportion equation
901,557.52 : 1,244,232.84 = 499,149.52 : x - Step 2: Convert to fraction form
901,557.52/1,244,232.84 = 499,149.52/x - Step 3: Cross multiply
901,557.52x = 1,244,232.84 × 499,149.52 - Step 4: Simplify right side
901,557.52x = 621,058,224,854.24 - Step 5: Solve for x
x = 621,058,224,854.24/901,557.52 - Step 6: Final answer
x = 688,872.55
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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.