Finding the Fourth Proportional to 943,278.20, 1,414,027.86 and 469,515.68
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Solution
The fourth proportional to 943,278.20, 1,414,027.86 and 469,515.68 is: 703,830.80
Step by Step Solution
- Step 1: Write the proportion equation
943,278.20 : 1,414,027.86 = 469,515.68 : x - Step 2: Convert to fraction form
943,278.20/1,414,027.86 = 469,515.68/x - Step 3: Cross multiply
943,278.20x = 1,414,027.86 × 469,515.68 - Step 4: Simplify right side
943,278.20x = 663,908,252,226.85 - Step 5: Solve for x
x = 663,908,252,226.85/943,278.20 - Step 6: Final answer
x = 703,830.80
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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.