Finding the Fourth Proportional to 818,611.29, 1,228,113.55 and 313,164.00
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Solution
The fourth proportional to 818,611.29, 1,228,113.55 and 313,164.00 is: 469,821.21
Step by Step Solution
- Step 1: Write the proportion equation
818,611.29 : 1,228,113.55 = 313,164.00 : x - Step 2: Convert to fraction form
818,611.29/1,228,113.55 = 313,164.00/x - Step 3: Cross multiply
818,611.29x = 1,228,113.55 × 313,164.00 - Step 4: Simplify right side
818,611.29x = 384,600,945,631.63 - Step 5: Solve for x
x = 384,600,945,631.63/818,611.29 - Step 6: Final answer
x = 469,821.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.