Finding the Fourth Proportional to 488,492.20, 732,911.10 and 471,212.20
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Solution
The fourth proportional to 488,492.20, 732,911.10 and 471,212.20 is: 706,984.99
Step by Step Solution
- Step 1: Write the proportion equation
488,492.20 : 732,911.10 = 471,212.20 : x - Step 2: Convert to fraction form
488,492.20/732,911.10 = 471,212.20/x - Step 3: Cross multiply
488,492.20x = 732,911.10 × 471,212.20 - Step 4: Simplify right side
488,492.20x = 345,356,651,835.42 - Step 5: Solve for x
x = 345,356,651,835.42/488,492.20 - Step 6: Final answer
x = 706,984.99
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1.5x scale
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.