Finding the Fourth Proportional to 887,059.20, 1,330,588.80 and 512,644.80
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Solution
The fourth proportional to 887,059.20, 1,330,588.80 and 512,644.80 is: 768,967.20
Step by Step Solution
- Step 1: Write the proportion equation
887,059.20 : 1,330,588.80 = 512,644.80 : x - Step 2: Convert to fraction form
887,059.20/1,330,588.80 = 512,644.80/x - Step 3: Cross multiply
887,059.20x = 1,330,588.80 × 512,644.80 - Step 4: Simplify right side
887,059.20x = 682,119,429,258.24 - Step 5: Solve for x
x = 682,119,429,258.24/887,059.20 - Step 6: Final answer
x = 768,967.20
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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.