Finding the Fourth Proportional to 759,708.18, 1,139,141.61 and 310,744.35
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Solution
The fourth proportional to 759,708.18, 1,139,141.61 and 310,744.35 is: 465,944.46
Step by Step Solution
- Step 1: Write the proportion equation
759,708.18 : 1,139,141.61 = 310,744.35 : x - Step 2: Convert to fraction form
759,708.18/1,139,141.61 = 310,744.35/x - Step 3: Cross multiply
759,708.18x = 1,139,141.61 × 310,744.35 - Step 4: Simplify right side
759,708.18x = 353,981,819,157.40 - Step 5: Solve for x
x = 353,981,819,157.40/759,708.18 - Step 6: Final answer
x = 465,944.46
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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.