Finding the Fourth Proportional to 425,195.06, 637,793.38 and 399,213.50
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Solution
The fourth proportional to 425,195.06, 637,793.38 and 399,213.50 is: 598,820.99
Step by Step Solution
- Step 1: Write the proportion equation
425,195.06 : 637,793.38 = 399,213.50 : x - Step 2: Convert to fraction form
425,195.06/637,793.38 = 399,213.50/x - Step 3: Cross multiply
425,195.06x = 637,793.38 × 399,213.50 - Step 4: Simplify right side
425,195.06x = 254,615,727,506.63 - Step 5: Solve for x
x = 254,615,727,506.63/425,195.06 - Step 6: Final answer
x = 598,820.99
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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.