Finding the Fourth Proportional to 839,928.88, 1,260,415.68 and 341,292.88
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Solution
The fourth proportional to 839,928.88, 1,260,415.68 and 341,292.88 is: 512,151.57
Step by Step Solution
- Step 1: Write the proportion equation
839,928.88 : 1,260,415.68 = 341,292.88 : x - Step 2: Convert to fraction form
839,928.88/1,260,415.68 = 341,292.88/x - Step 3: Cross multiply
839,928.88x = 1,260,415.68 × 341,292.88 - Step 4: Simplify right side
839,928.88x = 430,170,897,424.36 - Step 5: Solve for x
x = 430,170,897,424.36/839,928.88 - Step 6: Final answer
x = 512,151.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.