Finding the Fourth Proportional to 775,555.56, 1,163,347.92 and 243,064.80
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Solution
The fourth proportional to 775,555.56, 1,163,347.92 and 243,064.80 is: 364,601.77
Step by Step Solution
- Step 1: Write the proportion equation
775,555.56 : 1,163,347.92 = 243,064.80 : x - Step 2: Convert to fraction form
775,555.56/1,163,347.92 = 243,064.80/x - Step 3: Cross multiply
775,555.56x = 1,163,347.92 × 243,064.80 - Step 4: Simplify right side
775,555.56x = 282,768,929,505.22 - Step 5: Solve for x
x = 282,768,929,505.22/775,555.56 - Step 6: Final answer
x = 364,601.77
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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.