Finding the Fourth Proportional to 649,509.53, 896,286.99 and 359,104.30
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Solution
The fourth proportional to 649,509.53, 896,286.99 and 359,104.30 is: 495,543.94
Step by Step Solution
- Step 1: Write the proportion equation
649,509.53 : 896,286.99 = 359,104.30 : x - Step 2: Convert to fraction form
649,509.53/896,286.99 = 359,104.30/x - Step 3: Cross multiply
649,509.53x = 896,286.99 × 359,104.30 - Step 4: Simplify right side
649,509.53x = 321,860,512,143.06 - Step 5: Solve for x
x = 321,860,512,143.06/649,509.53 - Step 6: Final answer
x = 495,543.94
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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.