Finding the Fourth Proportional to 709,543.68, 1,063,750.38 and 409,684.14
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Solution
The fourth proportional to 709,543.68, 1,063,750.38 and 409,684.14 is: 614,199.90
Step by Step Solution
- Step 1: Write the proportion equation
709,543.68 : 1,063,750.38 = 409,684.14 : x - Step 2: Convert to fraction form
709,543.68/1,063,750.38 = 409,684.14/x - Step 3: Cross multiply
709,543.68x = 1,063,750.38 × 409,684.14 - Step 4: Simplify right side
709,543.68x = 435,801,659,604.97 - Step 5: Solve for x
x = 435,801,659,604.97/709,543.68 - Step 6: Final answer
x = 614,199.90
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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.