Finding the Fourth Proportional to 994,808.84, 1,372,787.34 and 565,032.56
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Solution
The fourth proportional to 994,808.84, 1,372,787.34 and 565,032.56 is: 779,717.18
Step by Step Solution
- Step 1: Write the proportion equation
994,808.84 : 1,372,787.34 = 565,032.56 : x - Step 2: Convert to fraction form
994,808.84/1,372,787.34 = 565,032.56/x - Step 3: Cross multiply
994,808.84x = 1,372,787.34 × 565,032.56 - Step 4: Simplify right side
994,808.84x = 775,669,545,055.79 - Step 5: Solve for x
x = 775,669,545,055.79/994,808.84 - Step 6: Final answer
x = 779,717.18
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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.