Finding the Fourth Proportional to 906,331.91, 1,250,713.05 and 498,433.70
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Solution
The fourth proportional to 906,331.91, 1,250,713.05 and 498,433.70 is: 687,824.77
Step by Step Solution
- Step 1: Write the proportion equation
906,331.91 : 1,250,713.05 = 498,433.70 : x - Step 2: Convert to fraction form
906,331.91/1,250,713.05 = 498,433.70/x - Step 3: Cross multiply
906,331.91x = 1,250,713.05 × 498,433.70 - Step 4: Simplify right side
906,331.91x = 623,397,537,211.13 - Step 5: Solve for x
x = 623,397,537,211.13/906,331.91 - Step 6: Final answer
x = 687,824.77
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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.