Finding the Fourth Proportional to 504,028.98, 695,826.99 and 389,060.28
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Solution
The fourth proportional to 504,028.98, 695,826.99 and 389,060.28 is: 537,109.28
Step by Step Solution
- Step 1: Write the proportion equation
504,028.98 : 695,826.99 = 389,060.28 : x - Step 2: Convert to fraction form
504,028.98/695,826.99 = 389,060.28/x - Step 3: Cross multiply
504,028.98x = 695,826.99 × 389,060.28 - Step 4: Simplify right side
504,028.98x = 270,718,643,560.96 - Step 5: Solve for x
x = 270,718,643,560.96/504,028.98 - Step 6: Final answer
x = 537,109.28
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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.