Finding the Fourth Proportional to 877,147.53, 1,315,720.53 and 330,142.14
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Solution
The fourth proportional to 877,147.53, 1,315,720.53 and 330,142.14 is: 495,212.92
Step by Step Solution
- Step 1: Write the proportion equation
877,147.53 : 1,315,720.53 = 330,142.14 : x - Step 2: Convert to fraction form
877,147.53/1,315,720.53 = 330,142.14/x - Step 3: Cross multiply
877,147.53x = 1,315,720.53 × 330,142.14 - Step 4: Simplify right side
877,147.53x = 434,374,791,416.13 - Step 5: Solve for x
x = 434,374,791,416.13/877,147.53 - Step 6: Final answer
x = 495,212.92
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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.