Finding the Fourth Proportional to 637,381.49, 879,649.99 and 475,956.28
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Solution
The fourth proportional to 637,381.49, 879,649.99 and 475,956.28 is: 656,867.11
Step by Step Solution
- Step 1: Write the proportion equation
637,381.49 : 879,649.99 = 475,956.28 : x - Step 2: Convert to fraction form
637,381.49/879,649.99 = 475,956.28/x - Step 3: Cross multiply
637,381.49x = 879,649.99 × 475,956.28 - Step 4: Simplify right side
637,381.49x = 418,674,935,338.26 - Step 5: Solve for x
x = 418,674,935,338.26/637,381.49 - Step 6: Final answer
x = 656,867.11
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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.