Finding the Fourth Proportional to 577,549.80, 866,324.70 and 437,581.80
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Solution
The fourth proportional to 577,549.80, 866,324.70 and 437,581.80 is: 656,372.70
Step by Step Solution
- Step 1: Write the proportion equation
577,549.80 : 866,324.70 = 437,581.80 : x - Step 2: Convert to fraction form
577,549.80/866,324.70 = 437,581.80/x - Step 3: Cross multiply
577,549.80x = 866,324.70 × 437,581.80 - Step 4: Simplify right side
577,549.80x = 379,087,921,610.46 - Step 5: Solve for x
x = 379,087,921,610.46/577,549.80 - Step 6: Final answer
x = 656,372.70
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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.