Finding the Fourth Proportional to 880,471.80, 1,320,707.70 and 565,543.80
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Solution
The fourth proportional to 880,471.80, 1,320,707.70 and 565,543.80 is: 848,315.70
Step by Step Solution
- Step 1: Write the proportion equation
880,471.80 : 1,320,707.70 = 565,543.80 : x - Step 2: Convert to fraction form
880,471.80/1,320,707.70 = 565,543.80/x - Step 3: Cross multiply
880,471.80x = 1,320,707.70 × 565,543.80 - Step 4: Simplify right side
880,471.80x = 746,918,051,347.26 - Step 5: Solve for x
x = 746,918,051,347.26/880,471.80 - Step 6: Final answer
x = 848,315.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.