Finding the Fourth Proportional to 901,718.08, 1,244,370.88 and 499,310.08
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Solution
The fourth proportional to 901,718.08, 1,244,370.88 and 499,310.08 is: 689,047.87
Step by Step Solution
- Step 1: Write the proportion equation
901,718.08 : 1,244,370.88 = 499,310.08 : x - Step 2: Convert to fraction form
901,718.08/1,244,370.88 = 499,310.08/x - Step 3: Cross multiply
901,718.08x = 1,244,370.88 × 499,310.08 - Step 4: Simplify right side
901,718.08x = 621,326,923,642.47 - Step 5: Solve for x
x = 621,326,923,642.47/901,718.08 - Step 6: Final answer
x = 689,047.87
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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.