Finding the Fourth Proportional to 912,823.41, 1,259,680.74 and 504,924.94
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Solution
The fourth proportional to 912,823.41, 1,259,680.74 and 504,924.94 is: 696,787.80
Step by Step Solution
- Step 1: Write the proportion equation
912,823.41 : 1,259,680.74 = 504,924.94 : x - Step 2: Convert to fraction form
912,823.41/1,259,680.74 = 504,924.94/x - Step 3: Cross multiply
912,823.41x = 1,259,680.74 × 504,924.94 - Step 4: Simplify right side
912,823.41x = 636,044,215,765.25 - Step 5: Solve for x
x = 636,044,215,765.25/912,823.41 - Step 6: Final answer
x = 696,787.80
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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.