Finding the Fourth Proportional to 677,787.36, 935,371.44 and 409,463.52
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Solution
The fourth proportional to 677,787.36, 935,371.44 and 409,463.52 is: 565,074.69
Step by Step Solution
- Step 1: Write the proportion equation
677,787.36 : 935,371.44 = 409,463.52 : x - Step 2: Convert to fraction form
677,787.36/935,371.44 = 409,463.52/x - Step 3: Cross multiply
677,787.36x = 935,371.44 × 409,463.52 - Step 4: Simplify right side
677,787.36x = 383,000,482,329.87 - Step 5: Solve for x
x = 383,000,482,329.87/677,787.36 - Step 6: Final answer
x = 565,074.69
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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.