Finding the Fourth Proportional to 891,420.24, 1,230,153.84 and 483,520.44
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Solution
The fourth proportional to 891,420.24, 1,230,153.84 and 483,520.44 is: 667,254.90
Step by Step Solution
- Step 1: Write the proportion equation
891,420.24 : 1,230,153.84 = 483,520.44 : x - Step 2: Convert to fraction form
891,420.24/1,230,153.84 = 483,520.44/x - Step 3: Cross multiply
891,420.24x = 1,230,153.84 × 483,520.44 - Step 4: Simplify right side
891,420.24x = 594,804,525,984.49 - Step 5: Solve for x
x = 594,804,525,984.49/891,420.24 - Step 6: Final answer
x = 667,254.90
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1.5x scale
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.