Finding the Fourth Proportional to 845,871.87, 1,167,195.20 and 483,319.20
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Solution
The fourth proportional to 845,871.87, 1,167,195.20 and 483,319.20 is: 666,918.79
Step by Step Solution
- Step 1: Write the proportion equation
845,871.87 : 1,167,195.20 = 483,319.20 : x - Step 2: Convert to fraction form
845,871.87/1,167,195.20 = 483,319.20/x - Step 3: Cross multiply
845,871.87x = 1,167,195.20 × 483,319.20 - Step 4: Simplify right side
845,871.87x = 564,127,847,891.24 - Step 5: Solve for x
x = 564,127,847,891.24/845,871.87 - Step 6: Final answer
x = 666,918.79
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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.