Finding the Fourth Proportional to 508,420.60, 701,682.68 and 293,560.20
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Solution
The fourth proportional to 508,420.60, 701,682.68 and 293,560.20 is: 405,149.02
Step by Step Solution
- Step 1: Write the proportion equation
508,420.60 : 701,682.68 = 293,560.20 : x - Step 2: Convert to fraction form
508,420.60/701,682.68 = 293,560.20/x - Step 3: Cross multiply
508,420.60x = 701,682.68 × 293,560.20 - Step 4: Simplify right side
508,420.60x = 205,986,108,611.24 - Step 5: Solve for x
x = 205,986,108,611.24/508,420.60 - Step 6: Final answer
x = 405,149.02
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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.