Finding the Fourth Proportional to 675,854.93, 1,013,241.11 and 338,722.52
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Solution
The fourth proportional to 675,854.93, 1,013,241.11 and 338,722.52 is: 507,812.50
Step by Step Solution
- Step 1: Write the proportion equation
675,854.93 : 1,013,241.11 = 338,722.52 : x - Step 2: Convert to fraction form
675,854.93/1,013,241.11 = 338,722.52/x - Step 3: Cross multiply
675,854.93x = 1,013,241.11 × 338,722.52 - Step 4: Simplify right side
675,854.93x = 343,207,580,453.19 - Step 5: Solve for x
x = 343,207,580,453.19/675,854.93 - Step 6: Final answer
x = 507,812.50
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1.5x scale
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.