Finding the Fourth Proportional to 613,836.99, 847,137.60 and 372,129.75
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Solution
The fourth proportional to 613,836.99, 847,137.60 and 372,129.75 is: 513,564.85
Step by Step Solution
- Step 1: Write the proportion equation
613,836.99 : 847,137.60 = 372,129.75 : x - Step 2: Convert to fraction form
613,836.99/847,137.60 = 372,129.75/x - Step 3: Cross multiply
613,836.99x = 847,137.60 × 372,129.75 - Step 4: Simplify right side
613,836.99x = 315,245,103,303.60 - Step 5: Solve for x
x = 315,245,103,303.60/613,836.99 - Step 6: Final answer
x = 513,564.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.