Finding the Fourth Proportional to 992,216.94, 1,488,185.30 and 318,210.68
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Solution
The fourth proportional to 992,216.94, 1,488,185.30 and 318,210.68 is: 477,271.09
Step by Step Solution
- Step 1: Write the proportion equation
992,216.94 : 1,488,185.30 = 318,210.68 : x - Step 2: Convert to fraction form
992,216.94/1,488,185.30 = 318,210.68/x - Step 3: Cross multiply
992,216.94x = 1,488,185.30 × 318,210.68 - Step 4: Simplify right side
992,216.94x = 473,556,456,279.00 - Step 5: Solve for x
x = 473,556,456,279.00/992,216.94 - Step 6: Final answer
x = 477,271.09
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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.