Finding the Fourth Proportional to 637,758.90, 880,107.19 and 351,278.98
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Solution
The fourth proportional to 637,758.90, 880,107.19 and 351,278.98 is: 484,764.94
Step by Step Solution
- Step 1: Write the proportion equation
637,758.90 : 880,107.19 = 351,278.98 : x - Step 2: Convert to fraction form
637,758.90/880,107.19 = 351,278.98/x - Step 3: Cross multiply
637,758.90x = 880,107.19 × 351,278.98 - Step 4: Simplify right side
637,758.90x = 309,163,152,915.40 - Step 5: Solve for x
x = 309,163,152,915.40/637,758.90 - Step 6: Final answer
x = 484,764.94
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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.