Finding the Fourth Proportional to 817,934.76, 1,226,711.39 and 312,310.08
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Solution
The fourth proportional to 817,934.76, 1,226,711.39 and 312,310.08 is: 468,392.28
Step by Step Solution
- Step 1: Write the proportion equation
817,934.76 : 1,226,711.39 = 312,310.08 : x - Step 2: Convert to fraction form
817,934.76/1,226,711.39 = 312,310.08/x - Step 3: Cross multiply
817,934.76x = 1,226,711.39 × 312,310.08 - Step 4: Simplify right side
817,934.76x = 383,114,330,786.26 - Step 5: Solve for x
x = 383,114,330,786.26/817,934.76 - Step 6: Final answer
x = 468,392.28
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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.