Finding the Fourth Proportional to 865,887.21, 1,194,961.26 and 483,913.98
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Solution
The fourth proportional to 865,887.21, 1,194,961.26 and 483,913.98 is: 667,821.92
Step by Step Solution
- Step 1: Write the proportion equation
865,887.21 : 1,194,961.26 = 483,913.98 : x - Step 2: Convert to fraction form
865,887.21/1,194,961.26 = 483,913.98/x - Step 3: Cross multiply
865,887.21x = 1,194,961.26 × 483,913.98 - Step 4: Simplify right side
865,887.21x = 578,258,459,272.42 - Step 5: Solve for x
x = 578,258,459,272.42/865,887.21 - Step 6: Final answer
x = 667,821.92
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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.