Finding the Fourth Proportional to 738,209.40, 1,107,314.10 and 471,176.70
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Solution
The fourth proportional to 738,209.40, 1,107,314.10 and 471,176.70 is: 706,765.05
Step by Step Solution
- Step 1: Write the proportion equation
738,209.40 : 1,107,314.10 = 471,176.70 : x - Step 2: Convert to fraction form
738,209.40/1,107,314.10 = 471,176.70/x - Step 3: Cross multiply
738,209.40x = 1,107,314.10 × 471,176.70 - Step 4: Simplify right side
738,209.40x = 521,740,603,501.47 - Step 5: Solve for x
x = 521,740,603,501.47/738,209.40 - Step 6: Final answer
x = 706,765.05
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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.