Finding the Fourth Proportional to 415,804.02, 624,757.08 and 398,988.96
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Solution
The fourth proportional to 415,804.02, 624,757.08 and 398,988.96 is: 599,491.99
Step by Step Solution
- Step 1: Write the proportion equation
415,804.02 : 624,757.08 = 398,988.96 : x - Step 2: Convert to fraction form
415,804.02/624,757.08 = 398,988.96/x - Step 3: Cross multiply
415,804.02x = 624,757.08 × 398,988.96 - Step 4: Simplify right side
415,804.02x = 249,271,177,601.84 - Step 5: Solve for x
x = 249,271,177,601.84/415,804.02 - Step 6: Final answer
x = 599,491.99
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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.