Finding the Fourth Proportional to 611,919.60, 844,467.84 and 370,246.56
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Solution
The fourth proportional to 611,919.60, 844,467.84 and 370,246.56 is: 510,951.62
Step by Step Solution
- Step 1: Write the proportion equation
611,919.60 : 844,467.84 = 370,246.56 : x - Step 2: Convert to fraction form
611,919.60/844,467.84 = 370,246.56/x - Step 3: Cross multiply
611,919.60x = 844,467.84 × 370,246.56 - Step 4: Simplify right side
611,919.60x = 312,661,312,790.63 - Step 5: Solve for x
x = 312,661,312,790.63/611,919.60 - Step 6: Final answer
x = 510,951.62
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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.