Finding the Fourth Proportional to 495,859.13, 684,566.58 and 379,353.39
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Solution
The fourth proportional to 495,859.13, 684,566.58 and 379,353.39 is: 523,722.65
Step by Step Solution
- Step 1: Write the proportion equation
495,859.13 : 684,566.58 = 379,353.39 : x - Step 2: Convert to fraction form
495,859.13/684,566.58 = 379,353.39/x - Step 3: Cross multiply
495,859.13x = 684,566.58 × 379,353.39 - Step 4: Simplify right side
495,859.13x = 259,692,652,803.71 - Step 5: Solve for x
x = 259,692,652,803.71/495,859.13 - Step 6: Final answer
x = 523,722.65
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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.