Finding the Fourth Proportional to 637,506.10, 879,777.78 and 351,036.44
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Solution
The fourth proportional to 637,506.10, 879,777.78 and 351,036.44 is: 484,440.95
Step by Step Solution
- Step 1: Write the proportion equation
637,506.10 : 879,777.78 = 351,036.44 : x - Step 2: Convert to fraction form
637,506.10/879,777.78 = 351,036.44/x - Step 3: Cross multiply
637,506.10x = 879,777.78 × 351,036.44 - Step 4: Simplify right side
637,506.10x = 308,834,059,882.30 - Step 5: Solve for x
x = 308,834,059,882.30/637,506.10 - Step 6: Final answer
x = 484,440.95
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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.