Finding the Fourth Proportional to 637,655.80, 879,954.28 and 351,202.56
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Solution
The fourth proportional to 637,655.80, 879,954.28 and 351,202.56 is: 484,653.63
Step by Step Solution
- Step 1: Write the proportion equation
637,655.80 : 879,954.28 = 351,202.56 : x - Step 2: Convert to fraction form
637,655.80/879,954.28 = 351,202.56/x - Step 3: Cross multiply
637,655.80x = 879,954.28 × 351,202.56 - Step 4: Simplify right side
637,655.80x = 309,042,195,818.96 - Step 5: Solve for x
x = 309,042,195,818.96/637,655.80 - Step 6: Final answer
x = 484,653.63
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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.