Finding the Fourth Proportional to 818,610.97, 1,228,113.08 and 313,163.68
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Solution
The fourth proportional to 818,610.97, 1,228,113.08 and 313,163.68 is: 469,820.74
Step by Step Solution
- Step 1: Write the proportion equation
818,610.97 : 1,228,113.08 = 313,163.68 : x - Step 2: Convert to fraction form
818,610.97/1,228,113.08 = 313,163.68/x - Step 3: Cross multiply
818,610.97x = 1,228,113.08 × 313,163.68 - Step 4: Simplify right side
818,610.97x = 384,600,411,588.93 - Step 5: Solve for x
x = 384,600,411,588.93/818,610.97 - Step 6: Final answer
x = 469,820.74
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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.