Finding the Fourth Proportional to 912,850.68, 1,259,637.03 and 504,887.70
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Solution
The fourth proportional to 912,850.68, 1,259,637.03 and 504,887.70 is: 696,691.43
Step by Step Solution
- Step 1: Write the proportion equation
912,850.68 : 1,259,637.03 = 504,887.70 : x - Step 2: Convert to fraction form
912,850.68/1,259,637.03 = 504,887.70/x - Step 3: Cross multiply
912,850.68x = 1,259,637.03 × 504,887.70 - Step 4: Simplify right side
912,850.68x = 635,975,242,911.53 - Step 5: Solve for x
x = 635,975,242,911.53/912,850.68 - Step 6: Final answer
x = 696,691.43
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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.