Finding the Fourth Proportional to 495,811.28, 684,221.64 and 294,602.96
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Solution
The fourth proportional to 495,811.28, 684,221.64 and 294,602.96 is: 406,553.32
Step by Step Solution
- Step 1: Write the proportion equation
495,811.28 : 684,221.64 = 294,602.96 : x - Step 2: Convert to fraction form
495,811.28/684,221.64 = 294,602.96/x - Step 3: Cross multiply
495,811.28x = 684,221.64 × 294,602.96 - Step 4: Simplify right side
495,811.28x = 201,573,720,440.05 - Step 5: Solve for x
x = 201,573,720,440.05/495,811.28 - Step 6: Final answer
x = 406,553.32
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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.