Finding the Fourth Proportional to 766,932.71, 1,058,318.70 and 422,749.67
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Solution
The fourth proportional to 766,932.71, 1,058,318.70 and 422,749.67 is: 583,367.84
Step by Step Solution
- Step 1: Write the proportion equation
766,932.71 : 1,058,318.70 = 422,749.67 : x - Step 2: Convert to fraction form
766,932.71/1,058,318.70 = 422,749.67/x - Step 3: Cross multiply
766,932.71x = 1,058,318.70 × 422,749.67 - Step 4: Simplify right side
766,932.71x = 447,403,881,179.83 - Step 5: Solve for x
x = 447,403,881,179.83/766,932.71 - Step 6: Final answer
x = 583,367.84
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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.