Finding the Fourth Proportional to 527,506.97, 790,309.08 and 324,750.20
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Solution
The fourth proportional to 527,506.97, 790,309.08 and 324,750.20 is: 486,539.60
Step by Step Solution
- Step 1: Write the proportion equation
527,506.97 : 790,309.08 = 324,750.20 : x - Step 2: Convert to fraction form
527,506.97/790,309.08 = 324,750.20/x - Step 3: Cross multiply
527,506.97x = 790,309.08 × 324,750.20 - Step 4: Simplify right side
527,506.97x = 256,653,027,840.27 - Step 5: Solve for x
x = 256,653,027,840.27/527,506.97 - Step 6: Final answer
x = 486,539.60
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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.