Finding the Fourth Proportional to 746,189.96, 1,118,328.12 and 543,272.00
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Solution
The fourth proportional to 746,189.96, 1,118,328.12 and 543,272.00 is: 814,211.37
Step by Step Solution
- Step 1: Write the proportion equation
746,189.96 : 1,118,328.12 = 543,272.00 : x - Step 2: Convert to fraction form
746,189.96/1,118,328.12 = 543,272.00/x - Step 3: Cross multiply
746,189.96x = 1,118,328.12 × 543,272.00 - Step 4: Simplify right side
746,189.96x = 607,556,348,817.00 - Step 5: Solve for x
x = 607,556,348,817.00/746,189.96 - Step 6: Final answer
x = 814,211.37
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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.