Finding the Fourth Proportional to 478,975.55, 717,028.74 and 461,942.19
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Solution
The fourth proportional to 478,975.55, 717,028.74 and 461,942.19 is: 691,529.72
Step by Step Solution
- Step 1: Write the proportion equation
478,975.55 : 717,028.74 = 461,942.19 : x - Step 2: Convert to fraction form
478,975.55/717,028.74 = 461,942.19/x - Step 3: Cross multiply
478,975.55x = 717,028.74 × 461,942.19 - Step 4: Simplify right side
478,975.55x = 331,225,826,448.54 - Step 5: Solve for x
x = 331,225,826,448.54/478,975.55 - Step 6: Final answer
x = 691,529.72
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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.