Finding the Fourth Proportional to 627,260.40, 865,614.72 and 340,782.84
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Solution
The fourth proportional to 627,260.40, 865,614.72 and 340,782.84 is: 470,277.80
Step by Step Solution
- Step 1: Write the proportion equation
627,260.40 : 865,614.72 = 340,782.84 : x - Step 2: Convert to fraction form
627,260.40/865,614.72 = 340,782.84/x - Step 3: Cross multiply
627,260.40x = 865,614.72 × 340,782.84 - Step 4: Simplify right side
627,260.40x = 294,986,642,627.41 - Step 5: Solve for x
x = 294,986,642,627.41/627,260.40 - Step 6: Final answer
x = 470,277.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.