Finding the Fourth Proportional to 480,727.81, 720,759.57 and 210,726.26
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Solution
The fourth proportional to 480,727.81, 720,759.57 and 210,726.26 is: 315,943.79
Step by Step Solution
- Step 1: Write the proportion equation
480,727.81 : 720,759.57 = 210,726.26 : x - Step 2: Convert to fraction form
480,727.81/720,759.57 = 210,726.26/x - Step 3: Cross multiply
480,727.81x = 720,759.57 × 210,726.26 - Step 4: Simplify right side
480,727.81x = 151,882,966,854.14 - Step 5: Solve for x
x = 151,882,966,854.14/480,727.81 - Step 6: Final answer
x = 315,943.79
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1.5x scale
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.