Finding the Fourth Proportional to 495,656.36, 684,039.62 and 280,798.19
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Solution
The fourth proportional to 495,656.36, 684,039.62 and 280,798.19 is: 387,520.68
Step by Step Solution
- Step 1: Write the proportion equation
495,656.36 : 684,039.62 = 280,798.19 : x - Step 2: Convert to fraction form
495,656.36/684,039.62 = 280,798.19/x - Step 3: Cross multiply
495,656.36x = 684,039.62 × 280,798.19 - Step 4: Simplify right side
495,656.36x = 192,077,089,299.47 - Step 5: Solve for x
x = 192,077,089,299.47/495,656.36 - Step 6: Final answer
x = 387,520.68
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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.