Finding the Fourth Proportional to 508,975.68, 702,489.60 and 294,124.80
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Solution
The fourth proportional to 508,975.68, 702,489.60 and 294,124.80 is: 405,951.84
Step by Step Solution
- Step 1: Write the proportion equation
508,975.68 : 702,489.60 = 294,124.80 : x - Step 2: Convert to fraction form
508,975.68/702,489.60 = 294,124.80/x - Step 3: Cross multiply
508,975.68x = 702,489.60 × 294,124.80 - Step 4: Simplify right side
508,975.68x = 206,619,613,102.08 - Step 5: Solve for x
x = 206,619,613,102.08/508,975.68 - Step 6: Final answer
x = 405,951.84
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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.