Finding the Fourth Proportional to 689,250.06, 950,167.98 and 456,286.68
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Solution
The fourth proportional to 689,250.06, 950,167.98 and 456,286.68 is: 629,015.53
Step by Step Solution
- Step 1: Write the proportion equation
689,250.06 : 950,167.98 = 456,286.68 : x - Step 2: Convert to fraction form
689,250.06/950,167.98 = 456,286.68/x - Step 3: Cross multiply
689,250.06x = 950,167.98 × 456,286.68 - Step 4: Simplify right side
689,250.06x = 433,548,993,036.51 - Step 5: Solve for x
x = 433,548,993,036.51/689,250.06 - Step 6: Final answer
x = 629,015.53
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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.