Finding the Fourth Proportional to 605,985.12, 837,771.12 and 454,819.68
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Solution
The fourth proportional to 605,985.12, 837,771.12 and 454,819.68 is: 628,785.72
Step by Step Solution
- Step 1: Write the proportion equation
605,985.12 : 837,771.12 = 454,819.68 : x - Step 2: Convert to fraction form
605,985.12/837,771.12 = 454,819.68/x - Step 3: Cross multiply
605,985.12x = 837,771.12 × 454,819.68 - Step 4: Simplify right side
605,985.12x = 381,034,792,711.64 - Step 5: Solve for x
x = 381,034,792,711.64/605,985.12 - Step 6: Final answer
x = 628,785.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.