Finding the Fourth Proportional to 901,959.12, 1,244,635.08 and 499,542.48
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Solution
The fourth proportional to 901,959.12, 1,244,635.08 and 499,542.48 is: 689,330.68
Step by Step Solution
- Step 1: Write the proportion equation
901,959.12 : 1,244,635.08 = 499,542.48 : x - Step 2: Convert to fraction form
901,959.12/1,244,635.08 = 499,542.48/x - Step 3: Cross multiply
901,959.12x = 1,244,635.08 × 499,542.48 - Step 4: Simplify right side
901,959.12x = 621,748,094,558.20 - Step 5: Solve for x
x = 621,748,094,558.20/901,959.12 - Step 6: Final answer
x = 689,330.68
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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.