Finding the Fourth Proportional to 637,118.70, 879,241.49 and 346,732.95
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Solution
The fourth proportional to 637,118.70, 879,241.49 and 346,732.95 is: 478,501.09
Step by Step Solution
- Step 1: Write the proportion equation
637,118.70 : 879,241.49 = 346,732.95 : x - Step 2: Convert to fraction form
637,118.70/879,241.49 = 346,732.95/x - Step 3: Cross multiply
637,118.70x = 879,241.49 × 346,732.95 - Step 4: Simplify right side
637,118.70x = 304,861,993,856.43 - Step 5: Solve for x
x = 304,861,993,856.43/637,118.70 - Step 6: Final answer
x = 478,501.09
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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.