Finding the Fourth Proportional to 493,534.38, 740,596.41 and 453,380.70
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Solution
The fourth proportional to 493,534.38, 740,596.41 and 453,380.70 is: 680,341.90
Step by Step Solution
- Step 1: Write the proportion equation
493,534.38 : 740,596.41 = 453,380.70 : x - Step 2: Convert to fraction form
493,534.38/740,596.41 = 453,380.70/x - Step 3: Cross multiply
493,534.38x = 740,596.41 × 453,380.70 - Step 4: Simplify right side
493,534.38x = 335,772,118,783.29 - Step 5: Solve for x
x = 335,772,118,783.29/493,534.38 - Step 6: Final answer
x = 680,341.90
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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.