Finding the Fourth Proportional to 637,655.43, 879,953.78 and 351,202.17
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Solution
The fourth proportional to 637,655.43, 879,953.78 and 351,202.17 is: 484,653.09
Step by Step Solution
- Step 1: Write the proportion equation
637,655.43 : 879,953.78 = 351,202.17 : x - Step 2: Convert to fraction form
637,655.43/879,953.78 = 351,202.17/x - Step 3: Cross multiply
637,655.43x = 879,953.78 × 351,202.17 - Step 4: Simplify right side
637,655.43x = 309,041,677,035.70 - Step 5: Solve for x
x = 309,041,677,035.70/637,655.43 - Step 6: Final answer
x = 484,653.09
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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.