Finding the Fourth Proportional to 877,687.80, 1,211,202.24 and 475,279.80
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Solution
The fourth proportional to 877,687.80, 1,211,202.24 and 475,279.80 is: 655,882.37
Step by Step Solution
- Step 1: Write the proportion equation
877,687.80 : 1,211,202.24 = 475,279.80 : x - Step 2: Convert to fraction form
877,687.80/1,211,202.24 = 475,279.80/x - Step 3: Cross multiply
877,687.80x = 1,211,202.24 × 475,279.80 - Step 4: Simplify right side
877,687.80x = 575,659,958,386.75 - Step 5: Solve for x
x = 575,659,958,386.75/877,687.80 - Step 6: Final answer
x = 655,882.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.