Finding the Fourth Proportional to 520,683.57, 780,133.77 and 284,192.19
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Solution
The fourth proportional to 520,683.57, 780,133.77 and 284,192.19 is: 425,801.65
Step by Step Solution
- Step 1: Write the proportion equation
520,683.57 : 780,133.77 = 284,192.19 : x - Step 2: Convert to fraction form
520,683.57/780,133.77 = 284,192.19/x - Step 3: Cross multiply
520,683.57x = 780,133.77 × 284,192.19 - Step 4: Simplify right side
520,683.57x = 221,707,924,589.26 - Step 5: Solve for x
x = 221,707,924,589.26/520,683.57 - Step 6: Final answer
x = 425,801.65
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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.