Finding the Fourth Proportional to 709,186.20, 1,062,029.70 and 471,240.60
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Solution
The fourth proportional to 709,186.20, 1,062,029.70 and 471,240.60 is: 705,698.32
Step by Step Solution
- Step 1: Write the proportion equation
709,186.20 : 1,062,029.70 = 471,240.60 : x - Step 2: Convert to fraction form
709,186.20/1,062,029.70 = 471,240.60/x - Step 3: Cross multiply
709,186.20x = 1,062,029.70 × 471,240.60 - Step 4: Simplify right side
709,186.20x = 500,471,513,045.82 - Step 5: Solve for x
x = 500,471,513,045.82/709,186.20 - Step 6: Final answer
x = 705,698.32
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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.