Finding the Fourth Proportional to 491,264.13, 677,907.99 and 276,362.76
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Solution
The fourth proportional to 491,264.13, 677,907.99 and 276,362.76 is: 381,360.07
Step by Step Solution
- Step 1: Write the proportion equation
491,264.13 : 677,907.99 = 276,362.76 : x - Step 2: Convert to fraction form
491,264.13/677,907.99 = 276,362.76/x - Step 3: Cross multiply
491,264.13x = 677,907.99 × 276,362.76 - Step 4: Simplify right side
491,264.13x = 187,348,523,142.45 - Step 5: Solve for x
x = 187,348,523,142.45/491,264.13 - Step 6: Final answer
x = 381,360.07
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1.5x scale
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.