Finding the Fourth Proportional to 841,197.70, 1,261,796.55 and 486,903.70
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Solution
The fourth proportional to 841,197.70, 1,261,796.55 and 486,903.70 is: 730,355.55
Step by Step Solution
- Step 1: Write the proportion equation
841,197.70 : 1,261,796.55 = 486,903.70 : x - Step 2: Convert to fraction form
841,197.70/1,261,796.55 = 486,903.70/x - Step 3: Cross multiply
841,197.70x = 1,261,796.55 × 486,903.70 - Step 4: Simplify right side
841,197.70x = 614,373,408,842.24 - Step 5: Solve for x
x = 614,373,408,842.24/841,197.70 - Step 6: Final answer
x = 730,355.55
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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.