Finding the Fourth Proportional to 982,612.41, 1,356,537.36 and 689,163.32
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Solution
The fourth proportional to 982,612.41, 1,356,537.36 and 689,163.32 is: 951,418.66
Step by Step Solution
- Step 1: Write the proportion equation
982,612.41 : 1,356,537.36 = 689,163.32 : x - Step 2: Convert to fraction form
982,612.41/1,356,537.36 = 689,163.32/x - Step 3: Cross multiply
982,612.41x = 1,356,537.36 × 689,163.32 - Step 4: Simplify right side
982,612.41x = 934,875,783,938.95 - Step 5: Solve for x
x = 934,875,783,938.95/982,612.41 - Step 6: Final answer
x = 951,418.66
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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.