Finding the Fourth Proportional to 480,630.49, 720,986.74 and 125,643.94
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Solution
The fourth proportional to 480,630.49, 720,986.74 and 125,643.94 is: 188,476.63
Step by Step Solution
- Step 1: Write the proportion equation
480,630.49 : 720,986.74 = 125,643.94 : x - Step 2: Convert to fraction form
480,630.49/720,986.74 = 125,643.94/x - Step 3: Cross multiply
480,630.49x = 720,986.74 × 125,643.94 - Step 4: Simplify right side
480,630.49x = 90,587,612,584.78 - Step 5: Solve for x
x = 90,587,612,584.78/480,630.49 - Step 6: Final answer
x = 188,476.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.