Finding the Fourth Proportional to 747,502.20, 1,122,290.10 and 467,566.20
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Solution
The fourth proportional to 747,502.20, 1,122,290.10 and 467,566.20 is: 701,997.82
Step by Step Solution
- Step 1: Write the proportion equation
747,502.20 : 1,122,290.10 = 467,566.20 : x - Step 2: Convert to fraction form
747,502.20/1,122,290.10 = 467,566.20/x - Step 3: Cross multiply
747,502.20x = 1,122,290.10 × 467,566.20 - Step 4: Simplify right side
747,502.20x = 524,744,917,354.62 - Step 5: Solve for x
x = 524,744,917,354.62/747,502.20 - Step 6: Final answer
x = 701,997.82
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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.