Finding the Fourth Proportional to 843,009.94, 1,163,351.17 and 455,822.66
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Solution
The fourth proportional to 843,009.94, 1,163,351.17 and 455,822.66 is: 629,033.90
Step by Step Solution
- Step 1: Write the proportion equation
843,009.94 : 1,163,351.17 = 455,822.66 : x - Step 2: Convert to fraction form
843,009.94/1,163,351.17 = 455,822.66/x - Step 3: Cross multiply
843,009.94x = 1,163,351.17 × 455,822.66 - Step 4: Simplify right side
843,009.94x = 530,281,828,301.67 - Step 5: Solve for x
x = 530,281,828,301.67/843,009.94 - Step 6: Final answer
x = 629,033.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.