Finding the Fourth Proportional to 922,930.97, 1,273,642.35 and 515,028.52
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Solution
The fourth proportional to 922,930.97, 1,273,642.35 and 515,028.52 is: 710,738.02
Step by Step Solution
- Step 1: Write the proportion equation
922,930.97 : 1,273,642.35 = 515,028.52 : x - Step 2: Convert to fraction form
922,930.97/1,273,642.35 = 515,028.52/x - Step 3: Cross multiply
922,930.97x = 1,273,642.35 × 515,028.52 - Step 4: Simplify right side
922,930.97x = 655,962,134,529.82 - Step 5: Solve for x
x = 655,962,134,529.82/922,930.97 - Step 6: Final answer
x = 710,738.02
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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.