Finding the Fourth Proportional to 880,541.80, 1,320,812.70 and 565,613.80
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Solution
The fourth proportional to 880,541.80, 1,320,812.70 and 565,613.80 is: 848,420.70
Step by Step Solution
- Step 1: Write the proportion equation
880,541.80 : 1,320,812.70 = 565,613.80 : x - Step 2: Convert to fraction form
880,541.80/1,320,812.70 = 565,613.80/x - Step 3: Cross multiply
880,541.80x = 1,320,812.70 × 565,613.80 - Step 4: Simplify right side
880,541.80x = 747,069,890,335.26 - Step 5: Solve for x
x = 747,069,890,335.26/880,541.80 - Step 6: Final answer
x = 848,420.70
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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.